Michelle's chocolate no bake cookies

Ingredients

1/2 stick butter

4 level tablespoons cocoa

1 cup peanut butter

2 cups oatmeal

1/2 cup milk

2 cups sugar

1 tsp vanilla

Mix together butter, cocoa, sugar and milk. Bring to a boil for 1 minute stirring constantly. Take off heat and mix in peanut butter until melted. Add vanilla and then oatmeal until mixed together. Drop 1 tablespoon of batter on waxed paper from spoon. Let stand unto. Batter is cool and has hardened.