1 (6 oz.) pkg. semisweet chocolate morsels
1 c. creamy peanut butter
1/2 c. butter
1 c. sifted powdered sugar

Cook first 3 ingredients in a saucepan over low heat, stirring constantly, just until mixture melts and is smooth. Remove from heat. Add powdered sugar, stirring until smooth. Spoon into a buttered 8 inch square pan; chill until firm. Let stand about 10 minutes at room temperature before cutting into squares. Store in refrigerator. Yield: 1 1/2 pounds.