INGREDIENTS
For the sponge:
- 4 large eggs, separated
- 3/4 cup granulated sugar
- 1 cup all-purpose flour
- 1 tsp baking powder
- 1/4 tsp salt
- 2 ripe bananas, mashed
- 1 tsp vanilla extract
For the filling:
- 1 cup heavy whipping cream
- 1/4 cup powdered sugar
- 1 tsp vanilla extract
- 2 ripe bananas, sliced
For the caramel sauce:
- 1 cup brown sugar
- 1/2 cup heavy cream
- 4 tbsp unsalted butter
- 1 tsp vanilla extract
- Pinch of salt
For garnish:
- Crushed graham crackers
- Banana slices
- Powdered sugar
INSTRUCTIONS
- Preheat oven to 350°F (175°C). Line a jelly roll pan with parchment paper.
- Beat egg yolks with 1/2 cup sugar until light. Stir in mashed bananas and vanilla.
- In a separate bowl, whisk egg whites to soft peaks, gradually add 1/4 cup sugar, beating until stiff peaks form.
- Sift together flour, baking powder, and salt. Fold into the yolk mixture, then fold in the beaten egg whites.
- Spread batter in the prepared pan. Bake for 12-15 minutes.
- Immediately turn the sponge out onto a clean towel dusted with powdered sugar. Roll up sponge and towel together, cool completely.
- For the filling, beat heavy cream with powdered sugar and vanilla to stiff peaks.
- Unroll sponge, spread with whipped cream, and top with banana slices. Re-roll without the towel.
- For the caramel sauce, combine brown sugar, cream, butter, vanilla, and salt in a saucepan over medium heat. Bring to a boil, stirring constantly, until thickened.
- Drizzle caramel over the roulade, sprinkle with crushed graham crackers and banana slices. Dust with powdered sugar.