This delightful Banoffee Cake recipe combines the rich flavors of bananas and toffee in a layered, moist cake topped with creamy frosting and dulce de leche swirls. It's an indulgent, show-stopping dessert that's perfect for special occasions.
3/4cup(1 1/2 sticks) unsalted butter, at room temperature
1 1/2cupsgranulated sugar
3large eggsat room temperature
2teaspoonsvanilla extract
1 1/2cupsmashed overripe bananasabout 3 large
1/2cupfull-fat sour cream or plain Greek yogurt
2 3/4cupsall-purpose flour
2teaspoonsbaking powder
1/2teaspoonbaking soda
1teaspoonground cinnamon
1/2teaspoonsalt
1cupbuttermilk
For the Cream Cheese Frosting:
1cup2 sticks unsalted butter, at room temperature
8ouncescream cheeseat room temperature
5 1/2cupsconfectioners' sugar
2teaspoonsvanilla extract
1/2teaspoonsalt
For the Filling and Decoration:
2large bananaspeeled and sliced into roughly 1/4-inch rounds
113-ounce jar of dulce de leche
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Instructions
Prepare the Cake Layers:
Preheat the oven to 350°F. Line the bottoms of three 8-inch round cake pans with parchment paper and lightly grease the sides with nonstick spray.
In a stand mixer, cream the softened butter and granulated sugar together on medium-high speed for about 2 minutes until light and fluffy.
Beat in the eggs one at a time, ensuring each is fully incorporated before adding the next. Mix in the vanilla extract.
Add the mashed bananas and sour cream (or Greek yogurt), and mix until well combined.
In a separate bowl, whisk together the flour, baking powder, baking soda, cinnamon, and salt.
With the mixer on low, alternate adding the dry ingredients and buttermilk in three parts, beginning and ending with the dry ingredients. Mix until just combined, avoiding overmixing.
Evenly divide the batter between the prepared cake pans. Bake for 25-30 minutes, or until a toothpick inserted in the center comes out mostly clean.
Allow the cakes to cool in the pans for 10 minutes, then carefully turn them out onto a wire rack to cool completely.
Make the Cream Cheese Frosting:
In a stand mixer, combine the softened butter and cream cheese. Beat on low for 30 seconds, then increase to medium speed until smooth.
Gradually add the confectioners' sugar, vanilla extract, and salt. Beat on medium speed until light, fluffy, and fully combined (about 1 minute).
Assemble the Cake:
Place one cooled cake layer on a serving plate. Spread a thin layer of frosting on top.
Add a layer of banana slices and dollop 1/4 cup of dulce de leche, spreading it evenly to the edges.
Repeat with the second cake layer, frosting, banana slices, and dulce de leche.
Place the third cake layer on top, then use the remaining frosting to cover the top and sides of the cake.
For decoration, use an offset spatula to dab extra dulce de leche on the top of the cake. Lightly swirl the dulce de leche into the frosting for a marbled effect.
Notes
For best results, serve the cake the same day. If making ahead, omit the banana slices in the filling to avoid browning.
Ensure all ingredients are at room temperature for a smoother batter and frosting.
If you prefer a sweeter frosting, add a bit more confectioners' sugar to taste.