Chewy Os

1 stick of butter
1 pkg. yellow cake mix
3 c. mini marshmallows
1 pkg. chocolate chips
3 cups cheerios
1 can sweetened condensed milk

Melt butter in a small saucepan. Carefully pour butter onto a jelly roll pan. Sprinkle the dry cake mix over the butter. Place a layer of marshmallow, chocolate chips, and then cereal. Slowly drizzle the condensed milk over the cereal. Bake at 350 degrees for 25-30 minutes. Let cool for 10 minutes before cutting into squares.