Instructions

  1. * Stir cake mix and powdered sugar in microwave safe bowl.
  2. * Cut butter into small pieces and put in bowl.
  3. * Microwave on high for 2 minutes.
  4. * Stir until well mixed. If it is too thick to stir, add 1/2 tsp milk at a time until it is well mixed (should be thick but stirrable).
  5. * Add sprinkles, if desired. But do it quickly as they will melt in the hot batter.
  6. * Spread in a greased 8x8 pan. Refrigerate for an hour to set. Cut and serve.