4 sq. unsweetened chocolate
1/2 c. butter
2 c. Domino granulated sugar
4 eggs
2 tsp. vanilla extract
1 c. all-purpose flour
1 tsp. baking powder
1/2 tsp. salt
1 c. chopped walnuts
Melt chocolate and butter over very low heat until just melted. Remove from heat. Stir in sugar; add eggs and vanilla; mix until well blended. Stir together flour, baking powder and salt; stir into chocolate mixture. Stir in nuts.
Spread in greased 13 x 9 inch pan. Bake at 325 degrees for 35-40 minutes. Do not overbake. Cool and cut into squares. Makes 24.