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monster cookie bars

Ingredients

  • 1/2 cup 1 stick unsalted butter, melted
  • 1 cup granulated sugar
  • 1 cup brown sugar
  • 3 large eggs
  • 1 tsp pure vanilla extract
  • 1 tsp corn syrup
  • 1 tsp salt
  • 2 tsp baking soda
  • 1 1/2 cups peanut butter creamy or crunchy, but not natural
  • 2 cups old fashioned oats
  • 2 cups flour
  • 3/4 cup butterscotch chips
  • 3/4 cup chocolate chips
  • 3/4 cup peanut butter chips
  • 1 cup peanut butter M&M's

Instructions

  • Preheat oven to 325 degrees F.
  • Grease 9x13" baking pan or 10x15" jelly roll pan.
  • In large bowl with electric mixer, beat together butter and sugars with paddle attachment, or using a hand mixer.
  • Add eggs, vanilla, corn syrup, salt, and baking soda and beat until well combined.
  • Add peanut butter and beat until well combined.
  • Add oats and flour and mix until combined.
  • Stir in chips and M&M's by hand. The batter will get pretty thick so use your muscles!
  • Spread evenly into prepared baking pan.
  • Bake in preheated oven for 25-28 minutes if using 9x13" pan or 18-22 minutes for jelly roll pan, until top is golden brown. Don't over bake!
  • Let cool completely.
  • Cut into squares and enjoy!