Molasses-Spiced Caribbean Rum Cake
A moist and fragrant rum cake infused with molasses and spiced with cinnamon and nutmeg, finished with a rum glaze for extra richness. This Caribbean-inspired recipe, ready in about 80 minutes, layers all-purpose flour, baking powder, ground cinnamon into a dessert worth slowing down for — great for weekend baking, holiday tables, or any time you want a sweet payoff at the end of a meal. Each serving lands at about 350 calories and feeds 8, so it slots into a weekend bake or a special-occasion dessert tray. Tap "Plan a meal with the AI" below to drop this recipe into your week and send the ingredients straight to Instacart. Nutrition values are approximate, calculated from USDA FoodData Central (fdc.nal.usda.gov) — verify against ingredient labels for any health-driven dietary plan.
Ingredients
- 2 cups all-purpose flour
- 1 teaspoon baking powder
- 1 teaspoon ground cinnamon
- 1/2 teaspoon ground nutmeg
- 3/4 cup, softened unsalted butter
- 1 cup granulated sugar
- 1/4 cup molasses
- 3 large eggs
- 1/4 cup dark rum
- 1/2 cup whole milk
- 1 teaspoon vanilla extract
- 1/2 cup powdered sugar
- 2 tablespoons additional dark rum (for glaze)
The bakeware we’d bake this in → Best Bakeware Sets in 2026: Top Picks + Buying Guide
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Equipment for this recipe
Tools this recipe's steps call for, with a link to each on Amazon.
Instructions
- Step 1: Preheat oven to 350°F. Grease and flour a 9-inch bundt pan.
- Step 2: In a medium bowl, whisk together 2 cups all-purpose flour, 1 teaspoon baking powder, 1 teaspoon ground cinnamon, and 1/2 teaspoon ground nutmeg.
- Step 3: In a large mixing bowl, beat 3/4 cup softened unsalted butter with 1 cup granulated sugar until light and fluffy, about 3 minutes.
- Step 4: Add 3 large eggs one at a time, beating well after each addition.
- Step 5: Mix in 1/4 cup molasses, 1/4 cup dark rum, and 1 teaspoon vanilla extract.
- Step 6: Alternately add the flour mixture and 1/2 cup whole milk to the butter mixture in three parts, starting and ending with the flour mixture. Mix until just combined.
- Step 7: Pour batter into the prepared bundt pan and bake for 50-60 minutes until a toothpick inserted in the center comes out clean.
- Step 8: While the cake bakes, whisk together 1/2 cup powdered sugar and 2 tablespoons dark rum to create the glaze.
- Step 9: Remove cake from oven and let cool in the pan for 15 minutes, then invert onto a wire rack.
- Step 10: While still warm, brush the rum glaze evenly over the cake to soak in and add shine.








