Chocolate Peanut Butter Cocoa Mounds ( No Bake Cookies )

place the following in a saucepan, and bring to a boil.
1/3 c cocoa
2 c sugar
1/4 c butter
1/2 c milk
boil 2 minutes, while stirring constantly

remove from heat, stir in the following:
3 c quick oats
1/2 c peanut butter
2 t vanilla

stir well, drop by spoonful onto wax paper