No-Bake Choc Cookies

2 c. sugar
1/2 c. cocoa
1/2 c. milk
1/2 c. margarine - butter not as good!
3 c. rolled oats (Gluten Free for those who need!)
1/2 c. (or more) Peanut butter
1 tsp vanilla

mix first 4 inged on med heat in saucepan. bring to a boil. Cook for 3-4 minutes. Remove from heat & add rest of ingred. drop spoonfuls on wax or parchment paper & let cool