Combine in a medium saucepan:

1 Cube Margarine
2 Cups Sugar
1/2 Cup Milk
3 Tablespoons Cocoa

Cook like fudge. Boil for 2 minutes. Stir constantly.

Add:

1/2 Cup Peanut Butter
3 Cups Instant Oats
1 teaspoon Vanilla

Drop on wax paper and let cool.