Chocolate No-Bake Cookies

I found this recipe years ago and am now copying it here from our family cookbook binder. Enjoy!

No-Bake Cookies (Chocolate)

2 cups sugar 

½ cup milk 

3 Tbl. cocoa 

¼ lbs. margarine

1/2 tsp vanilla

3 cups oatmeal

1/2 cup peanut butter

Heat in a saucepan over medium-high/high heat sugar, milk, cocoa and margarine until it comes to a roiling boil.  Boil 1 minute.  Then add vanilla, oatmeal and peanut butter.  Spoon out cookies on wax paper lined cookie sheets and store in refrigerator.