4 (1 oz.) sq. semi-sweet chocolate
1 c. butter
1 3/4 c. sugar
1 c. all-purpose flour
4 eggs
1 tsp. vanilla extract
1 1/2 c. chopped pecans (or walnuts)

Combine chocolate and butter in a heavy saucepan; cook over low heat, stirring constantly, until melted. Cool mixture slightly.

Combine sugar, flour, eggs and flavoring in a large mixing bowl. Add chocolate mixture, stirring until batter is smooth. Stir in nuts.

Spoon into paper lined muffin pans, filling two thirds full. Bake at 325 degrees for 35 minutes. If desired, ice with your favorite chocolate or cream cheese frosting.