1 1/2 c. graham cracker crumbs
1/2 c. soft butter
1 c. peanut butter
3 1/2 c. powdered sugar
1 c. sugar
5 tbsp. butter
1/3 c. milk
6 oz. chocolate chips
1 tsp. vanilla

Mix cracker crumbs, butter, peanut butter and sugar together. Press into 9 x 13 inch pan; set aside. Bring to a boil: sugar, butter and milk; boil for 1 minute, then add chips and vanilla. Pour over crumb base. Chill about 1 hour.