1 c. quick-cooking rolled oats
1/2 c. all-purpose flour
1/2 c. packed brown sugar
1/4 tsp. baking soda
6 tbsp. butter, melted
3/4 c. granulated sugar
1/4 c. butter, melted
11 oz. square unsweetened chocolate, melted and cooled
1 egg
2/3 c. all-purpose flour
1/4 tsp. baking powder
1/4 c. milk
1/2 tsp. vanilla
1/2 c. chopped walnuts
Fudge frosting

For bottom layer, stir together first 4 ingredients and 1/4 teaspoon salt. Stir in 6 tablespoons melted butter. Pat in 11 x 7 1/2 x 1 1/2 inch baking pan. Bake at 350 degrees for 10 minutes.

For middle layer, combine granulated sugar, 1/4 cup butter and chocolate; add egg. Beat well. Stir together 2/3 cup flour, baking powder, and 1/4 teaspoon salt; add to chocolate mixture alternately with a mixture of the milk and vanilla, mixing after each addition. Fold in nuts.

Spread batter over baked layer. Continue baking at 350 degrees for 25 minutes. Cool. Frost with Fudge Frosting. Cut into bars. Top with walnut halves, if desired. Makes 16.

FUDGE FROSTING:

In small saucepan, melt 1 (1 oz.) square unsweetened chocolate and 2 tablespoons butter over low heat; stir constantly. Remove from heat; stir in 1 1/2 cups sifted powdered sugar and 1 teaspoon vanilla. Blend in hot water, about 2 tablespoons, to make almost pourable consistency.