1 c. brown sugar
3/4 stick butter
1/2 c. Karo
1/2 c. peanut butter
1 tsp. vanilla
3 c. Rice Krispies

Mix brown sugar, butter and Karo. Bring to boil, cook 1 minute longer. Remove from stove. Add peanut butter and vanilla. Mix well, add Rice Krispies. Spoon onto buttered plate.