1 box powdered sugar
1/2 c. peanut butter
1/2 c. butter
1/4 c. milk
1 tsp. real vanilla OR
1 tbsp. imitation vanilla
Nuts, if desired

Combine sugar and peanut butter. Next put on top the butter and milk. Microwave on high for 1 1/2 minutes. Stir. Microwave for another 1 1/2 minutes. Add vanilla. Stir in nuts. Pour in buttered dish and chill.