Instructions

  1. In a large bowl, combine the pretzels, cereal and M&M's.
  2. In a large saucepan over low heat, melt butter and peanut butter.
  3. Add marshmallows; cook and stir until marshmallows are melted and mixture is smooth.
  4. Pour over pretzel mixture; stir to coat.
  5. Press into a greased 13x9 inch baking pan.
  6. Cool until firm; cut into squares.