Double-Deck Brownies

Bottom Deck:
1/2 cup sifted flour
1/4 tsp. baking soda
1/4 tsp. salt
1 cup rolled oats
1/2 cup brown sugar, firmly packed
1/2 cup butter, melted

Top Deck:
1 square unsweetened chocolate, melted
1/4 cup butter, melted
3/4 cup sugar
1 egg
2/3 cup sifted flour
1/4 tsp. baking powder
1/4 tsp. salt
1/4 cup milk
1/2 tsp. vanilla
1/2 cup chopped nuts

Frosting:
1 (6-ounce) package chocolate bits

For bottom deck, sift together flour, baking soda and salt and combine with rolled oats and sugar. Mix in melted butter. Pat mixture into bottom of 7 x 11-inch baking pan and bake at 350 degrees for about 10 minutes. For top deck, combine chocoate, butter and sugar; add egg and beat well. Sift dry ingredients and add alternately with milk and vanilla to chocolate mixture. Fold in chopped nuts. Spread batter over baked bottom layer, return to oven and bake for 25 minutes. Cool, frost with melted chocolate bits and cut into squares.