A rich and tender Pistachio Mascarpone Layer Cake with soft cake layers, whipped mascarpone frosting, and roasted pistachios throughout. Perfect for celebrations or elegant dessert cravings.
1 cup shelled pistachios, plus more for topping
2 1/4 cups all-purpose flour
1 tbsp baking powder
1/2 tsp baking soda
1/2 tsp salt
1 cup unsalted butter, softened
1 1/2 cups granulated sugar
4 large eggs
1 cup buttermilk
1 tsp vanilla extract
For the frosting:
1 1/2 cups mascarpone cheese
1 cup heavy cream
3/4 cup powdered sugar
1 tsp vanilla extract
Preheat oven to 350°F (175°C). Grease and line three 8-inch round cake pans.
Grind pistachios in a food processor until fine.
Whisk flour, baking powder, baking soda, salt, and ground pistachios.
Cream butter and sugar until fluffy.
Add eggs one at a time, mixing well.
Alternate adding dry ingredients and buttermilk to the batter.
Divide into pans and bake 22–26 minutes. Cool completely.
Whip heavy cream to soft peaks.
Beat mascarpone, powdered sugar, and vanilla until smooth. Fold in whipped cream.
Layer cake with frosting and chopped pistachios.
Frost outside of cake and decorate as desired.
Chill before serving.
Store in refrigerator. Can be made ahead. Almonds or cashews may substitute pistachios.