Description
Rum baba is a classic French yeast cake soaked in a flavorful rum syrup and topped with a light mascarpone and whipped cream frosting. This recipe involves preparing a soft, elastic dough, letting it rise twice, baking until golden, then soaking the cakes in a sweet, tangy, and boozy syrup before finishing with a creamy, vanilla-scented topping. The result is a moist, tender dessert with complex flavors that perfectly balance sweetness and boozy richness.
Ingredients
Baba Dough
- 100 g Whole milk (lukewarm)
 - 20 g Granulated sugar
 - 10 g Fresh yeast (or equivalent dry yeast, check brand for substitution)
 - 1 Egg yolk (room temperature)
 - 1 Egg (room temperature)
 - 210 g Bread flour (high protein content, or all-purpose flour)
 - ¼ teaspoon Salt
 - 60 g Unsalted butter (room temperature, soft)
 
Rum Syrup
- 250 g Water
 - 150 g Granulated sugar
 - 10 g Lime juice (freshly squeezed, optional)
 - Lime zest (zest of 1 lime, optional)
 - 70 g Rum
 
Frosting
- 200 g Mascarpone (41% fat, cold)
 - 200 g Heavy cream (36% fat, cold)
 - 40 g Powdered sugar (sifted)
 - 2 teaspoon Vanilla bean paste
 
Instructions
- Activate the yeast: Mix the granulated sugar with lukewarm milk in a bowl, then sprinkle fresh yeast on top. Ensure your kitchen is warm and let it sit for about 10 minutes until the yeast foams, indicating it’s active.
 - Combine wet ingredients: Pour the yeast mixture into the bowl of a stand mixer fitted with a kneading hook, then add the egg and egg yolk. Mix until combined.
 - Add dry ingredients and knead: Add the bread flour and salt to the wet mixture, then knead until the dough starts to come together.
 - Incorporate butter: Gradually add softened unsalted butter in chunks, kneading continuously on medium-high speed for about 10 minutes until the dough turns elastic, shiny, and not sticky.
 - First rise: Transfer dough to a bowl, cover with plastic wrap or a towel, and let it rest and rise at room temperature for 1 to 2 hours until doubled in size.
 - Divide dough and shape: Knock the air out gently, knead for a minute, then divide dough into 8 equal portions. Shape each into a ball, dusting lightly with flour if needed, and place them into a baking mold.
 - Second proof: Let the shaped dough proof again at room temperature for 1 to 2 hours until nicely risen.
 - Bake the babas: Preheat oven to 190°C (374°F). Once babas have risen, place them in the oven, reduce the temperature to 180°C (356°F), and bake for about 20 minutes until golden brown.
 - Prepare rum syrup: Towards the end of baking, combine water, granulated sugar, lime zest, and freshly squeezed lime juice in a saucepan. Boil for about 5 minutes until it slightly thickens, then stir in the rum.
 - Saturate babas with syrup: As soon as babas come out of the oven, pour half of the hot syrup over them while still in the mold. Then remove the babas from the molds, place on a plate or baking pan, and pour the remaining syrup over, turning them to fully soak. Let them cool completely before frosting.
 - Make the frosting: Whip heavy cream, mascarpone, vanilla bean paste, and sifted powdered sugar together until fluffy and smooth. Transfer the frosting into a pastry bag.
 - Frost the babas: After babas have cooled and syrup has set, pipe the mascarpone cream frosting generously on top of each baba.
 - Store properly: Keep the finished rum babas in an airtight container in the refrigerator to maintain freshness and texture.
 
Notes
- Use a warm environment for yeast activation and proofing to ensure proper dough rise.
 - Fresh yeast can be substituted with dry yeast; adjust quantity according to manufacturer’s instructions.
 - Lime zest and juice in the syrup add a subtle citrus note but can be omitted if unavailable.
 - Ensure the dough is kneaded thoroughly to develop gluten structure for a light, airy texture.
 - Soaking babas with hot syrup immediately after baking helps them absorb maximum flavor and moisture.
 - Store babas chilled and consume within 3 days for best taste and freshness.
 
- Prep Time: 20 minutes
 - Cook Time: 20 minutes
 - Category: Dessert
 - Method: Baking
 - Cuisine: French