Prepared in 15 minutes or less plus overnight to refrigerate.
In a small bowl, combine Confectioners’ sugar, peanut butter, light brown sugar, butter and vanilla. Cover and set aside.
Over a double-boiler on medium heat, melt the chocolate morsels and add the shortening. Gently stir with a whisk until well-combined. *You can also melt the two ingredients in a microwave.
Line a muffin tin with 2-inch foil muffin cups.
Drop a rounded teaspoonful of peanut butter mixture into each cup then top each with 2 teaspoons of the melted chocolate mixture. Refrigerate overnight until set. Yields three dozen.
Option: Sprinkle toasted sliced almonds atop the peanut butter cups for added texture and crunch.