1/2 c. butter, softened
1 c. sugar
2 eggs
3/4 c. all-purpose flour
1/2 tsp. baking powder
Pinch of salt
3 tbsp. cocoa
1 tsp. vanilla
1/2 c. chopped pecans
2 c. miniature marshmallows
Chocolate frosting

Cream butter in a mixing bowl, gradually add sugar, beating at medium speed. Add eggs one at a time beating after each addition.

Combine flour and next 3 ingredients. Stir into creamed mixture. Stir in vanilla and nuts. Spoon into a greased and floured 9 inch square pan. Bake at 350 degrees for 18 to 20 minutes. Remove from oven; sprinkle with marshmallows; cover with foil; let stand until marshmallows melt. Spread with Chocolate Frosting.