1/2 c. butter, melted
1 c. sugar
2 eggs, well beaten
1/2 c. flour
1 c. oats
1/2 c. cocoa
1/2 tsp. baking powder
1/2 tsp. salt
1 tsp. vanilla
1/2 c. chopped nuts

Combine ingredients in order given. Mix well. Spread batter in a greased 8 x 8 inch pan. Bake at 350 degrees for 30 minutes.