1/2 c. butter
1 pkg. Devil's food or yellow cake mix
3 c. miniature marshmallows
1 (8 oz.) pkg. chocolate chips
3 c. Cheerios
1 (14 oz.) can condensed milk

Preheat oven to 350 degrees. Melt butter in jelly roll pan. Sprinkle dry cake mix evenly over melted butter. Sprinkle with marshmallows, chocolate chips and cereal. Pour milk evenly over top. Bake 25 minutes or until golden brown. While warm, run a knife around edge to loosen sides. Cool and serve.