Traditional No-Bake Cookies
1/2 cup butter or margarine
1/2 cup milk
2 cups sugar
1/2 cup unsweetened cocoa powder
1 cup peanut butter
1 tsp vanilla
3 cups oats
Combine butter, milk, sugar, and cocoa powder in a large saucepan. Bring to a rolling boil. Boil for 3 minutes (do not overboil); add peanut butter, vanilla, and oats; stir well.
Drop by heaping teaspoonfuls onto a sheet of waxed paper.
Let cool until firm.
Store in an airtight container in a cool, dry place.