Coffee Lover's Delight /Mocha Decadence Cake

Source: CooksRecipes.com

A real chocolate and coffee lover's delight.

1/2 cup butter 
6 (1 ounce) squares semisweet chocolate 
3/4 cup sugar 
1 1/4 cups finely ground walnuts or pecans 
2 tablespoons all-purpose flour 
3 tablespoons coffee liqueur 
1 teaspoon vanilla extract 
3 large eggs 
2 (1-ounce) squares semisweet chocolate, melted 
2 tablespoons coffee liqueur 
Powdered sugar 
Chocolate covered coffee beans (optional) 

Preheat oven to 325*F (160*C). 
In a saucepan over medium heat, melt butter and 6 ounces (1 cup) semi sweet chocolate, stirring until blended. Remove from heat and let cool. In a large bowl, cream eggs and sugar on high speed of electric mixer for about 3 minutes, until light and lemon-colored. Mix together ground nuts and flour; gradually beat into the egg mixture. Stir 3 tablespoons coffee liqueur and the vanilla into the chocolate mixture. Gradually beat into the egg mixture until well-combined. Pour batter into a 9-inch springform pan. Bake for 35 to 45 minutes or until top is set. Cool cake in pan. Remove metal ring and place cake on a serving plate. Dust top with powdered sugar. Mix together 2 ounces melted chocolate and 2 tablespoons coffee liqueur. Drizzle over cake. Decorate with chocolate covered coffee beans, if desired. 
Serves 8.