From: Six sisters stuff
1 cup margarine (2 sticks)
2 cups sugar
1/3 cup cocoa
4 eggs
1 1/2 cup flour
1 tsp salt
2 tsp vanilla
1 (10 oz) package of miniature marshmallows
Soften margarine and blend in sugar and cocoa. Beat together and add 4 eggs, one at a time, mixing after each one. Add flour, salt and vanilla and mix well.
Spread on large (10x15x1 inch) greased cookie sheet. Bake 22-25 minutes at 350. Remove from oven and cover entire top with 1 package of miniature marshmallows. Return to oven for 3 minutes, until marshmallows are soft and puffy. Cool and frost with chocolate frosting.
*I spread mine on a sprayed cookie sheet, I would only bake this for 20-22 min. max:)
Mom's Chocolate Frosting:
1 stick margarine (1/2 cup), softened
1/4 cup milk
1-2 tsp vanilla (depending on your taste)
3 tablespoons of cocoa
2-3 cups of powdered sugar
Mix all ingredients with a hand mixer until smooth. Add more powdered sugar or milk until you reach desired consistency and spread on top of bars.