2 tbsp. butter
1 c. flour
3/4 c. sugar
2 tbsp. cocoa
2 tsp. baking powder
1/2 tsp. salt
1/2 c. milk
1 tsp. vanilla
1/2 c. chopped nuts
Whipped cream

Put butter in 1 cup glass measure. Cook on HIGH for 30 seconds, or until melted. In mixing bowl, sift flour, sugar, cocoa, baking powder, and salt. Stir in milk, butter, vanilla and nuts. Pour into 8" square microproof baking dish. Prepare topping:

3/4 c. light brown sugar
1/4 c. cocoa
1 1/4 c. water

Blend brown sugar, cocoa and 1 1/4 cups water in 4 cup glass measure. Pour over batter. Do not stir. Cover with paper towel. Cook on HIGH for 9 to 11 minutes. Remove from oven and let stand 10 minutes. Top with whipped cream and serve.