Caribbean-Style Rum Cake Recipe

Quick Answer

This Caribbean-style rum cake recipe is a buttery Bundt cake soaked in a warm, spiced butter-rum glaze. Cake flour, buttermilk, and room-temperature eggs keep the crumb moist, while the glaze delivers balanced rum flavor in every slice.

A great rum cake recipe comes down to two things: a tender, moist crumb and a butter-rum glaze that soaks in evenly instead of pooling on the plate. This Caribbean-style version builds both into the process, so the payoff is a Bundt cake with a rich, buttery bite and rum flavor that reads as warm and rounded rather than sharp.

Below, you will find the full recipe along with the reasoning behind each step, honest troubleshooting for the problems home bakers run into most often, and answers to the questions that tend to come up before, during, and after baking.

What Is Caribbean-Style Rum Cake?

Caribbean-style rum cake is a moist, buttery Bundt cake baked with rum in the batter and finished with a butter-rum glaze poured over the warm cake. Unlike the dense, dried-fruit rum cakes and black cakes traditional to islands like Jamaica and Trinidad, this style is closer to a spiced, tender pound cake soaked in syrup, which is the version most familiar to U.S. bakers and the one this recipe follows.

The defining feature is the glaze. It is brushed or poured over the cake while both are still warm, which allows the syrup to soak into the crumb rather than sit on the surface. That soaking step is what separates a rum cake from an ordinary Bundt cake with a drizzle on top.

Why You’ll Love This Caribbean Rum Cake

This recipe earns its place in a holiday or entertaining rotation because it is genuinely make-ahead friendly, visually impressive with almost no decorating effort, and forgiving for a home baker who follows the mixing and soaking steps carefully.

• The Bundt shape gives you a bakery-style presentation with zero frosting work.
• Cake flour and buttermilk keep the crumb tender for several days after baking.
• The glaze uses a short list of pantry staples: butter, sugar, water, and rum.
• It tastes better on day two, which makes it ideal for holidays and dinner parties.

Caribbean Rum Cake Ingredients

This recipe uses a from-scratch batter built on cake flour and buttermilk, plus a simple cooked glaze finished with rum off the heat so its flavor stays bright.

For the Rum Cake

• 3 cups cake flour
• 1 tablespoon baking powder
• 1/4 teaspoon baking soda
• 1/2 teaspoon salt
• 1 cup unsalted butter, room temperature
• 1 1/4 cups granulated sugar
• 1/2 cup packed light brown sugar
• 4 large eggs, room temperature
• 2 large egg yolks, room temperature
• 1 cup buttermilk
• 1/3 cup dark rum
• 2 teaspoons vanilla extract
• 1 cup chopped pecans, optional

For the Butter Rum Glaze

• 1/2 cup unsalted butter
• 1 cup granulated sugar
• 1/4 cup water
• 1/3 cup dark rum
• 1/4 teaspoon salt

Before mixing, it helps to understand why flour choice and mixing method matter so much to a Bundt cake’s final texture. This is exactly the kind of detail explored in depth on the site’s baking science guide.

Science of Baking breaks down how flour protein and mixing technique shape crumb structure, which is useful context for a batter as rich as this one.

Baking for a crowd or making a smaller batch? Adjust the recipe with confidence, whether you’re scaling it up for a gathering or down for a smaller bake.

How to Make Caribbean-Style Rum Cake

Making this rum cake involves four stages: preparing the pan, mixing the batter without overworking the gluten, baking low and slow, and soaking the warm cake in glaze.

Prepare the Bundt Pan

Grease every groove and crevice of a 10 to 12-cup Bundt pan generously with softened butter, then dust with flour and tap out the excess. A rich, buttery batter like this one will find any unbuttered spot in the pan and stick to it.

If using pecans, sprinkle them evenly across the bottom of the prepared pan now. They will end up on top of the finished cake once it is inverted.

The Science of Bundt Pan Release A Bundt pan’s fluted detail increases surface area contact between batter and metal compared to a round cake pan. That extra contact means more opportunity for sticking, so a thin, even layer of fat and flour matters more here than in almost any other cake format. Butter and flour, rather than spray alone, create a barrier that holds up through a longer bake time.

Make the Rum Cake Batter

Whisk the cake flour, baking powder, baking soda, and salt together in a bowl and set aside. In a large mixing bowl, cream the butter with the granulated sugar and brown sugar until light and fluffy, about 4 minutes.

Add the eggs and egg yolks one at a time, beating well after each addition and scraping down the bowl as needed. Beat in the vanilla.

In a separate measuring cup, whisk together the buttermilk and rum. Add the dry ingredients to the butter mixture in three additions, alternating with the buttermilk-rum mixture, beginning and ending with the dry ingredients. Mix just until each addition is incorporated.

Properly mixed batter looks smooth, slightly glossy, and falls from the spatula in a thick ribbon. If it looks curdled or streaky with visible flour pockets, a few more gentle folds will bring it together without overmixing.

Why Overmixing Toughens a Rum Cake Cake flour is lower in protein than all-purpose flour, which limits gluten development and keeps the crumb tender. Extended mixing after the flour is added activates whatever gluten-forming proteins are present, which can turn a supposed to be delicate cake dense and rubbery. Mixing just until the flour disappears is enough.

Bake the Cake

Pour the batter into the prepared pan and smooth the top. Bake at 325°F for 55 to 65 minutes, or until a toothpick inserted in the center comes out clean or with a few moist crumbs.

Let the cake cool in the pan on a wire rack for 15 to 20 minutes before inverting it onto a plate or rack. This resting time allows the crumb to set enough to release cleanly.

Oven accuracy matters more in a dense, buttery Bundt cake than in almost any other bake, since a few degrees off can mean the difference between a golden crust and an overbaked edge.

Is your oven temperature a little unpredictable? Adjust your baking temperature with confidence for convection ovens or uneven heating, so your rum cake bakes evenly from edge to center.

Add the Butter Rum Glaze

While the cake bakes, melt the butter in a saucepan over medium heat. Add the sugar, water, and salt, and bring to a boil, stirring until the sugar dissolves. Simmer for 2 to 3 minutes, then remove from the heat and stir in the rum.

Poke the warm cake all over with a toothpick or skewer, going about three-quarters of the way through. Slowly spoon or brush about half of the warm glaze over the top and sides, letting it soak in fully before adding the rest.

Let the glazed cake rest for at least 20 minutes before slicing so the syrup has time to distribute through the crumb rather than pool at the base.

This poke-and-soak method is the same principle used in another glaze-forward favorite on the site, where a butter syrup is worked into a warm cake for maximum moisture.

If you enjoy that soaked, buttery finish, the Kentucky Butter Cake uses a nearly identical technique with a vanilla butter glaze instead of rum.

Tips for a Moist and Flavorful Rum Cake

The most important tips for a moist rum cake are using room-temperature ingredients, measuring flour accurately, and giving the glaze enough time to soak in before slicing.

• Bring butter, eggs, and buttermilk to room temperature before mixing so they combine smoothly and trap more air.
• Measure flour by weight or spoon it into the measuring cup and level it off, since scooping directly from the bag packs in extra flour.
• Poke the cake while it is still warm. A cooled cake accepts glaze far more slowly.
• Add the glaze in two additions rather than all at once, which prevents pooling and encourages even absorption.
• Store the finished cake covered so the glaze keeps the crumb moist rather than drying out on the counter.

Room-temperature ingredients and a gentle mixing hand come up again and again in the site’s richer Bundt-style bakes, including this one built around similar buttery density.

The Million Dollar Pound Cake relies on the same careful creaming process to achieve its dense, velvety crumb, and it is worth a look if you enjoy this cake’s texture.

Can You Taste the Alcohol in Rum Cake?

Yes, rum cake has a noticeable rum flavor, though how strong it tastes depends on where the rum is used. Rum baked into the batter loses much of its alcohol content to evaporation during baking, so what remains in the crumb is mostly flavor rather than alcoholic bite.

The glaze is a different story. Since it is simmered only briefly and stirred with rum off the heat, more of the alcohol survives, which gives the glaze a more pronounced rum character than the cake itself. A slice made with both the baked-in rum and the glaze will taste distinctly of rum, but it is not accurate to say the alcohol fully disappears from either component.

If you are baking for children, anyone avoiding alcohol, or a guest who is pregnant, use an alcohol-free rum extract or spiced apple juice in place of the rum in both the batter and glaze. The cake will lose some of its signature warmth, but it will still be moist and well flavored.

How to Store Caribbean Rum Cake

Store rum cake tightly covered at room temperature for up to 5 days, since the rum and sugar in the glaze act as a natural preservative and keep the crumb from drying out. Keep it under a cake dome or wrapped in plastic wrap to lock in moisture.

Refrigeration is not necessary and can actually dry the cake out faster, so room temperature storage is the better choice here.

Can You Freeze Rum Cake?

Yes, rum cake freezes well for up to 3 months. Wrap the fully cooled, glazed cake tightly in plastic wrap, then in aluminum foil, before freezing.

Thaw it overnight in the refrigerator or for a few hours at room temperature, still wrapped, so condensation forms on the wrapping rather than the cake itself.

How to Serve Caribbean Rum Cake

Serve Caribbean rum cake at room temperature, sliced into wedges, with no additional decoration required beyond a light dusting of powdered sugar. It also pairs well with lightly sweetened whipped cream or a scoop of vanilla ice cream for a more indulgent dessert course.

For a citrus lift, a few strips of orange zest scattered over the top complement the rum’s warm, slightly caramelized notes.

Frequently Asked Questions

What kind of rum is best for rum cake?

Dark or aged rum is best for rum cake because it has a deeper, more complex flavor than light rum. Spiced rum also works well and adds warm notes of vanilla and clove. Light rum can be used in a pinch, but the finished cake will taste noticeably more subtle.

Can I make rum cake without alcohol?

Yes, substitute an equal amount of rum extract diluted with water, or use spiced apple juice, in both the batter and glaze. The texture of the cake will not change, though the flavor will be milder and less complex than a version made with real rum.

Why is my rum cake dry?

A dry rum cake is usually the result of overmeasuring flour, overbaking, or not giving the glaze enough time to soak into the crumb. Measuring flour by weight, checking for doneness a few minutes before the recipe’s stated time, and letting the glaze rest on the warm cake all help prevent this.

How long does rum cake last?

Rum cake lasts up to 5 days at room temperature when stored tightly covered, and up to 3 months in the freezer when wrapped well. The rum and sugar in the glaze help the cake stay moist longer than a typical unglazed Bundt cake.

Why did my rum cake stick to the Bundt pan?

Rum cake sticks most often because the pan was not greased and floured thoroughly enough in every groove. A rich, buttery batter also benefits from cooling in the pan for the full 15 to 20 minutes before inverting, since removing it too early gives the crumb less time to set.

Can I use a cake mix for rum cake instead of a from-scratch batter?

Yes, a doctored cake mix with added pudding mix, rum, and eggs is a common shortcut and produces a moist result. A from-scratch batter, like the one in this recipe, gives more control over sweetness and rum flavor and produces a slightly finer crumb.

Why is my rum flavor too weak or too strong?

Weak rum flavor usually means the glaze did not fully absorb into the cake, so poking deeper holes and soaking in two additions helps. Overly strong rum flavor typically comes from using the full glaze amount on a smaller cake or adding rum extract on top of real rum, so scale back one or the other rather than both.

Can I add fruit or nuts to this rum cake recipe?

Yes, chopped pecans or walnuts in the bottom of the pan are traditional and add texture without changing the bake time. Dried fruit, such as raisins soaked in rum, can also be folded into the batter, though it will make the crumb denser and may require a few extra minutes in the oven.

Caribbean-Style Rum Cake

Caribbean-Style Rum Cake

A moist, buttery Bundt cake soaked in a rich butter-rum glaze, finished with a golden, toasted crust and a balanced rum flavor in every slice.

• Prep Time: 25 minutes
• Bake Time: 60 minutes
• Total Time: 2 hours, including cooling
• Yield: 12 servings

Ingredients

Rum Cake

• 3 cups cake flour
• 1 tablespoon baking powder
• 1/4 teaspoon baking soda
• 1/2 teaspoon salt
• 1 cup unsalted butter, room temperature
• 1 1/4 cups granulated sugar
• 1/2 cup packed light brown sugar
• 4 large eggs, room temperature
• 2 large egg yolks, room temperature
• 1 cup buttermilk
• 1/3 cup dark rum
• 2 teaspoons vanilla extract
• 1 cup chopped pecans, optional

Butter Rum Glaze

• 1/2 cup unsalted butter
• 1 cup granulated sugar
• 1/4 cup water
• 1/3 cup dark rum
• 1/4 teaspoon salt

Instructions

1. Preheat the oven to 325°F. Grease a 10 to 12-cup Bundt pan generously with softened butter and dust with flour, tapping out the excess. Sprinkle pecans in the bottom if using.
2. Whisk the cake flour, baking powder, baking soda, and salt together in a bowl. Set aside.
3. Cream the butter, granulated sugar, and brown sugar together until light and fluffy, about 4 minutes. Add the eggs and egg yolks one at a time, beating well after each. Beat in the vanilla.
4. Whisk the buttermilk and rum together in a measuring cup. Add the dry ingredients to the butter mixture in three additions, alternating with the buttermilk mixture, mixing just until combined.
5. Pour the batter into the prepared pan and smooth the top. Bake for 55 to 65 minutes, until a toothpick comes out clean or with a few moist crumbs.
6. Cool the cake in the pan on a wire rack for 15 to 20 minutes, then invert onto a plate.
7. While the cake bakes, melt the butter in a saucepan over medium heat. Add the sugar, water, and salt, and boil until dissolved. Simmer 2 to 3 minutes, remove from heat, and stir in the rum.
8. Poke the warm cake all over with a skewer. Spoon half the warm glaze over the cake, let it soak in, then add the rest. Rest 20 minutes before slicing.

Nutrition information is an estimate calculated using standard ingredient data and will vary based on exact products used and serving size. Consult a registered dietitian for precise dietary guidance.

Troubleshooting Common Rum Cake Problems

Most rum cake problems trace back to flour measurement, glaze timing, or pan preparation, and each has a straightforward fix.

Problem	Cause	Solution
Dry cake	Too much flour or overbaking	Measure flour by weight and check doneness a few minutes early
Dense, heavy texture	Overmixing after flour is added	Mix just until the flour disappears, no longer
Cake sticks to pan	Incomplete greasing or removing too early	Butter and flour every groove; cool 15 to 20 minutes before inverting
Uneven baking	Oven runs hot or batter not level	Verify oven temperature and smooth batter evenly before baking
Underbaked center	Pan removed before fully baked	Test with a skewer in the thickest part, not just the edge
Overbaked edges	Dark pan or oven running hot	Use a light-colored metal pan and check 10 minutes early
Weak rum flavor	Glaze did not fully absorb	Poke deeper holes and apply glaze in two additions
Glaze too strong	Extract added on top of real rum, or full glaze on a small cake	Use only one rum source and match glaze volume to pan size
Glaze pools instead of absorbing	Cake too cool when glaze is applied	Glaze the cake while it is still warm, not fully cooled

Buttermilk plays a quiet but important role in tenderizing this cake’s crumb, a technique that shows up in several of the site’s richer layer cakes as well.

The Italian Cream Cake uses buttermilk in a similar way to soften gluten and add a gentle tang that balances its sweetness.

If you would rather build this recipe from a simpler yellow cake base and add the rum glaze separately, the site’s foundational yellow cake recipe is a solid starting point.

Room-temperature ingredients are non-negotiable for a smooth, evenly risen Bundt cake, a principle covered in more depth in another of the site’s moist, from-scratch Bundt-style bakes.

The Berry Chantilly Cake Recipe explains why temperature control at the mixing stage affects the final crumb, which applies directly to this rum cake as well.

Need a smart ingredient swap? Whether you’re out of dark rum or need a dairy-free alternative, our Kitchen Swap tool helps you find practical substitutions without compromising the recipe.

More Cake Recipes You’ll Love

Authentic Mexican Tres Leches Cake

Another soaked, syrup-forward cake with a similarly moist, tender crumb.

Hummingbird Cake Recipe

A tropical, spiced layer cake that shares this recipe’s warm holiday character.

Swedish Princess Cake

For a more elaborate showpiece dessert with European technique.

Black Forest Cake Recipe

A boozy classic that also balances alcohol with rich, sweet flavor.

Conclusion

This Caribbean-style rum cake works because every step supports the same goal: a moist, tender crumb that can genuinely absorb a rich butter-rum glaze rather than just wear it on the surface. Cake flour and buttermilk keep the texture soft, careful mixing prevents toughness, and a warm, two-stage glaze application delivers balanced rum flavor from edge to center.

Give this recipe a try for your next holiday table or celebration, and let the glaze do the work that makes rum cake worth making from scratch.