Brownies - cooking recipe

Ingredients

1 box butter chocolate cake mix
2 eggs
1/2 c. butter or margarine
1 c. marshmallows
1/4 c. chopped nuts (optional)

Preparation

Melt butter; add cake mix and eggs.
Stir well.
Add marshmallows and nuts.
Pour into a greased 9 x 13-inch pan.
Bake at 350\u00b0 for 20 minutes.