Peanut Butter Fudge

8 oz butter
1 cup peanut butter
1 tsp vanilla
16 oz powdered sugar

Line a 8x8 inch baking dish with crisco, then wax paper.  Lightly grease with butter.  Combine butter and peanut butter in a pan and melt, stirring constantly.  Remove from heat.  Add in vanilla, then sugar.  Stir till mixed.  Spread in pan.  Refrigerate till cool, then take out chunk of fudge with the wax paper and cut into squares.