Meet your new go-to dessert: a spiced rum cake that bakes up incredibly moist, rich, and beautifully fragrant. It’s the classic rum cake you remember, but with warm spice and a buttery rum glaze that sinks into every crumb. No fancy steps, just straightforward baking with a big payoff.

I love this cake for holidays, parties, and “just because” weekends. It keeps well, slices neatly, and tastes even better the next day. If you want a reliable, crowd-pleasing dessert with cozy island vibes and bakery-level texture, this easy spiced rum cake delivers.

Why This Easy Spiced Rum Cake Comes Out So Moist and Flavorful

When a cake is this tender and aromatic, a few smart techniques make it happen.

Oil + butter combo: Oil locks in moisture while butter adds rich flavor. Together, they keep the crumb soft for days.
Instant pudding mix: It stabilizes the batter and creates a velvety, plush texture that never dries out.
Warm spice blend: Cinnamon, nutmeg, and allspice round out the rum and amplify its caramel notes.
Dark rum for depth: A good-quality dark or spiced rum brings molasses-like richness and a gentle kick.
Buttery rum glaze: You pour it over the warm cake so it soaks in and sweetens every bite without making it soggy.

Ingredients

For the Cake

1 box (15.25 oz) yellow cake mix
1 box (3.4 oz) instant vanilla pudding mix
4 large eggs, room temperature
1/2 cup unsalted butter, melted and slightly cooled
1/2 cup neutral oil (canola or vegetable)
1/2 cup whole milk (or evaporated milk for extra richness)
1/2 cup dark or spiced rum
1/3 cup granulated sugar
2 teaspoons pure vanilla extract
1 teaspoon ground cinnamon
1/2 teaspoon ground nutmeg
1/4 teaspoon ground allspice
1/2 teaspoon fine sea salt
Optional: 3/4 cup chopped pecans or walnuts for the pan

For the Rum Glaze

1/2 cup unsalted butter
3/4 cup granulated sugar
1/4 cup water
1/2 cup dark or spiced rum
Pinch of salt
Optional: 1/2 teaspoon vanilla extract

How to Make This Moist Spiced Rum Cake

Prep

Preheat the oven to 325°F (165°C).
Grease a 10–12 cup Bundt pan with butter and dust with flour, or spray heavily with baking spray.
If using nuts, sprinkle them evenly in the prepared pan.

Make the Batter

In a large bowl, whisk together the cake mix, pudding mix, cinnamon, nutmeg, allspice, and salt.
In a separate bowl, whisk the eggs, melted butter, oil, milk, rum, sugar, and vanilla until smooth.
Pour the wet ingredients into the dry ingredients. Mix with a hand mixer on medium speed for 2 minutes until thick and silky. Scrape the bowl once midway.

Bake

Pour the batter into the pan, spreading it evenly.
Bake for 50–60 minutes until the top springs back and a tester comes out clean or with a few moist crumbs.
Place the pan on a rack and let the cake cool for 10 minutes while you make the glaze.

Cook the Rum Glaze

In a small saucepan, melt the butter over medium heat.
Stir in the sugar and water. Bring to a gentle simmer and cook for 4–5 minutes, stirring, until the sugar dissolves and the mixture looks glossy.
Remove from heat and carefully stir in the rum, salt, and vanilla. It will bubble—keep your face back.

Glaze the Cake

With the cake still in the pan, use a skewer to poke holes all over the surface—go deep but not to the very bottom.
Slowly spoon about 2/3 of the warm glaze over the cake so it seeps into the holes.
Let it sit for 10 minutes, then invert the cake onto a serving plate.
Brush or spoon the remaining glaze over the top and sides until glossy and irresistible.

How to Store This Traditional Rum Cake

Room temperature: Wrap the cooled cake snugly or store in a covered cake keeper for 3–4 days. The flavor deepens each day.
Refrigerator: If your kitchen runs warm, chill the wrapped cake for up to 1 week. Bring slices to room temp before serving.
Freezer: Wrap slices or the whole cake in plastic, then foil. Freeze up to 2 months. Thaw overnight in the fridge, then let it warm to room temp.
Travel tip: This cake transports like a dream. Keep it in the pan, glaze it, cool fully, then cover for a no-crumb road trip.

Why You’ll Love Baking This Rum Cake

Foolproof texture: The batter comes together in minutes and bakes up perfectly tender every time.
Big, cozy flavor: Dark rum, vanilla, and warm spices make the house smell like a bakery.
Make-ahead friendly: The cake tastes even better the next day as the glaze settles in.
Great for sharing: It slices neatly and serves a crowd without fuss.
Flexible ingredients: Use the rum you like and adjust the spice to suit your taste.

What to Avoid for Best Results

Don’t skip the pudding mix: It creates the signature plush crumb.
Don’t overbake: Start checking at 48 minutes. Overbaking dries the edges fast.
Don’t rush the glaze: Let the sugar dissolve fully so the glaze turns silky, not grainy.
Don’t pour all the glaze on top: Soak the cake in-pan first, then finish after unmolding for even flavor.
Don’t use light rum only: Dark or spiced rum brings the caramel depth you want.

Fun Variations to Try

Coconut rum twist: Use coconut rum for half of the dark rum and add 1/2 cup sweetened shredded coconut to the batter.
Orange-spice version: Add 1 tablespoon fresh orange zest to the batter and swap 2 tablespoons of the rum in the glaze for orange juice.
Chocolate swirl: Remove 1 cup batter, mix with 2 tablespoons cocoa powder, and swirl it in before baking.
Toasted pecan crunch: Toast chopped pecans and press them into the greased pan before adding batter for a nutty crown.
Extra boozy finish: Brush 1–2 tablespoons additional rum over the warm cake after glazing for a stronger kick.
Mini Bundts: Bake in mini Bundt pans for 18–22 minutes. Glaze generously.

FAQ

What rum works best?

Dark or spiced rum gives the deepest flavor. Choose a brand you enjoy sipping. Avoid white rum for this recipe—it tastes too sharp and flat.

Can I make it without alcohol?

Yes. Use rum extract plus apple juice or water. For the cake, replace the 1/2 cup rum with 1/2 cup milk plus 1–2 teaspoons rum extract. For the glaze, simmer water, sugar, and butter, then add 1–2 teaspoons rum extract off heat.

Why add both oil and butter?

Oil keeps the crumb tender for days, and butter adds buttery, toffee-like flavor. The combo nails texture and taste.

Do I need a Bundt pan?

A Bundt pan creates that classic look and even bakes the dense batter. You can use a 9×13-inch pan and bake about 38–45 minutes. Poke holes and glaze as directed.

How do I prevent sticking?

Grease every ridge of the pan and dust with flour, or use baking spray with flour. Let the cake cool 10 minutes before turning it out. If it resists, tap the pan gently on a towel-lined counter.

Can I reduce the sweetness?

Cut the glaze sugar to 1/2 cup and use unsweetened dark rum. The cake will taste less sweet but still moist and flavorful.

Conclusion

This easy spiced rum cake brings bakery-quality texture, warm spice, and a buttery rum glow with minimal effort. Mix, bake, soak, and slice—it’s that simple. Serve it at holidays, take it to potlucks, or keep it on your counter for afternoon coffee breaks. Once you taste how moist and aromatic it turns out, you’ll keep this recipe on repeat.

Easy Spiced Rum Cake Recipe | Moist Traditional Rum Dessert

A moist, warmly spiced rum Bundt cake soaked with a buttery rum glaze for rich flavor and tender crumb. Simple to make, it keeps well and tastes even better the next day.

Print Recipe Pin Recipe

Prep Time 20

Cook Time 1

Total Time 1 30

Servings 12 slices

Ingredients

1 box (15.25 oz) yellow cake mix
1 box (3.4 oz) instant vanilla pudding mix
4 large eggs, room temperature
1/2 cup unsalted butter, melted and slightly cooled
1/2 cup neutral oil (canola or vegetable)
1/2 cup whole milk (or evaporated milk for extra richness)
1/2 cup dark or spiced rum
1/3 cup granulated sugar
2 teaspoons pure vanilla extract
1 teaspoon ground cinnamon
1/2 teaspoon ground nutmeg
1/4 teaspoon ground allspice
1/2 teaspoon fine sea salt
Optional: 3/4 cup chopped pecans or walnuts for the pan
For the Rum Glaze: 1/2 cup unsalted butter
For the Rum Glaze: 3/4 cup granulated sugar
For the Rum Glaze: 1/4 cup water
For the Rum Glaze: 1/2 cup dark or spiced rum
For the Rum Glaze: pinch of salt
For the Rum Glaze: Optional: 1/2 teaspoon vanilla extract

Instructions

Preheat the oven to 325°F (165°C) and grease a 10–12 cup Bundt pan, dusting with flour or using baking spray; if using nuts, sprinkle them evenly in the pan.
Whisk together the cake mix, pudding mix, cinnamon, nutmeg, allspice, and salt in a large bowl.
In a separate bowl, whisk the eggs, melted butter, oil, milk, rum, sugar, and vanilla until smooth.
Pour the wet ingredients into the dry ingredients and beat on medium speed for about 2 minutes until the batter is thick and silky, scraping the bowl once.
Pour the batter into the prepared pan and spread evenly.
Bake for 50–60 minutes, until the top springs back and a tester comes out clean or with a few moist crumbs.
Set the pan on a rack and let the cake cool for 10 minutes while preparing the glaze.
For the glaze, melt the butter in a small saucepan over medium heat, then stir in the sugar and water.
Bring to a gentle simmer and cook for 4–5 minutes, stirring, until the sugar dissolves and the mixture looks glossy.
Remove from heat and carefully stir in the rum, salt, and vanilla if using.
With the cake still in the pan, poke holes all over the surface with a skewer, going deep but not to the bottom.
Slowly spoon about two-thirds of the warm glaze over the cake so it seeps into the holes and let it sit for 10 minutes.
Invert the cake onto a serving plate and brush or spoon the remaining glaze over the top and sides until coated.

Notes

Use dark or spiced rum for the deepest flavor; avoid white rum. To make it alcohol-free, replace rum in the cake with milk plus 1–2 teaspoons rum extract and add 1–2 teaspoons rum extract to the glaze off heat. Start checking doneness at 48 minutes to prevent overbaking. Grease every ridge of the Bundt pan well to prevent sticking. Variations include adding coconut and coconut rum, orange zest with a splash of orange juice in the glaze, a chocolate swirl, or toasted nuts in the pan. For mini Bundts, bake 18–22 minutes.