Combine 1/2 cup peanut butter, confectioners sugar, butter and salt until smooth.

In a microwave, melt chocolate chips, candy bars and remaining peanut butter; stir until smooth.

Drop teaspoonfuls of chocolate mixture into paper-lined miniature muffin cups. Drop a scant teaspoonful of peanut butter mixture into each cup; top with another teaspoonful of chocolate mixture. If desired, decorate with sprinkles. Refrigerate until set. Store in an airtight container. Yield: 3 dozen.