3/4 stick butter
3 tbsp. cocoa
1 c. sugar
2 slightly beaten eggs
1 tsp. vanilla
3/4 c. flour

Preheat oven to 350 degrees F. Melt butter in 9x9 inch pan in preheated oven. Combine cocoa and sugar in medium mixing bowl. Add eggs, vanilla, flour, and melted butter. Pour into same 9x9 inch pan and bake 30 to 35 minutes. Cool, cut into 2 inch squares.