Instructions

  1. Preheat oven to 350 degrees. Spray the pan that you plan to use with nonstick spray (see box for pan size).
  2. Mix cake ingredients as per directions on the box plus the 1/4 cup of the extra water.
  3. Add in the peanut butter cup chunks.
  4. Bake at 350 degrees for 45-50 minutes. Cool.
  5. Blend icing ingredients together and spread on cake.
  6. Sprinkle Reese's Pieces on top.