Peanut Butter Cups - cooking recipe

Ingredients

1 c. melted butter
1 lb. powdered sugar
1 1/2 c. chunky peanut butter
1 tsp. vanilla
1 1/2 c. graham cracker crumbs
1 (12 oz.) pkg. milk chocolate chips

Preparation

Mix all ingredients together except chocolate chips.
Press into a 9 x 12-inch pan and pat down.
Melt chocolate chips and spread on top.
Cut into squares before chocolate is set. Refrigerate.