1-1/2 cups chocolate wafer crumbs
2 tablespoons sugar
1/4 cup butter, melted
2 cups (12 ounces) semisweet chocolate chips
6 egg yolks
1-3/4 cups heavy whipping cream
1 teaspoon vanilla extract

CHOCOLATE BUTTERCREAM FROSTING:
1/2 cup butter, softened
3 cups confectioners’ sugar
3 tablespoons baking cocoa
3 to 4 tablespoons 2% milk

Directions

1. In a small bowl, combine wafer crumbs and sugar; stir in butter. Press onto the bottom and 1-1/2 in. up the sides of a greased 9-in. springform pan. Place on a baking sheet. Bake at 350° for 10 minutes. Cool on a wire rack.

2. In a large microwave-safe bowl, melt chocolate chips; stir until smooth. Cool. In a small bowl, combine the egg yolks, cream and vanilla. Gradually stir a small amount of mixture into melted chocolate until blended; gradually stir in remaining mixture. Pour into crust.

3. Place pan on a baking sheet. Bake at 350° for 45-50 minutes or until center is almost set. Cool on a wire rack for 10 minutes. Carefully run a knife around edge of pan to loosen; cool 1 hour longer. Refrigerate overnight.

4. In a large bowl, combine the butter, confectioners’ sugar, cocoa and enough milk to achieve a piping consistency. Using a large star tip, pipe frosting on dessert.