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Loaded cookie bar recipe using leftover halloween candy

Loaded Cookie Bars

Have leftover Halloween candy? This is the perfect recipe to use some of it up! These cookie bars are full of chocolate and peanut butter and they hit the spot during the fall season.
Prep Time 15 mins
Cook Time 15 mins
Resting Time 30 mins
Course Dessert


  • 9x13 Baking Pan
  • Kitchenaid Mixer (or hand mixer)


  • 1 1/2 cups all-purpose flour
  • 3/4 tsp baking soda
  • 1/4 tsp salt
  • 1 cup oats whole grain old fashioned oats, not quick oats
  • 1 stick butter softened
  • 1/3 cup peanut butter or almond butter
  • 1/2 cup light brown sugar packed
  • 1/2 cup sugar
  • 1 tsp vanilla extract
  • 1 egg
  • 1 egg yolk only
  • 2 cups candy bars chopped


  • Preheat the oven to 350 degrees and grease a 9x13 baking pan with butter.
  • Whisk together flour, baking soda, salt, and oats.
  • In your mixer, blend together butter, peanut butter, brown sugar, and sugar for about 2-3 minutes until it's smooth.
  • Add vanilla, egg, and egg yolk and mix well.
  • Add dry ingredients.
  • Add candy bars and combine well.
  • Press the batter into your baking pan. Take some leftover candy pieces and press them on top for extra "presentation points!"
  • Bake for 15-16 minutes, until edges are lightly browned.
  • Let cool for 30-45 minutes. Cut into squares and enjoy!