Mocha Layer Cake with Chocolate-Rum Cream Filling Ingredients Recipe in comments

create a moist texture and a richer chocolate flavor.

For the Chocolate Buttercream Frosting
1 cup (225g) unsalted butter, softened
4 cups (480g) powdered sugar
¾ cup (70g) cocoa powder
4–5 tablespoons heavy cream
2 teaspoons vanilla extract
Pinch of salt
Optional Chocolate Ganache

For an extra-decadent finish:

1 cup (240ml) heavy cream
8 ounces (225g) dark chocolate,continue reading …