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The Ultimate Cookie Bars

Chewy cookie bars filled with everything you'd ever want in a cookie... chocolate, peanut butter, oats, toffee, nuts and candies... or anything else you want to toss in!
Prep Time10 minutes
Cook Time30 minutes
Total Time40 minutes
Course: Dessert
Cuisine: American
Servings: 8

Ingredients

  • 4 tablespoons of butter, melted
  • 1/2 cup of peanut butter
  • 1 large egg
  • 2 teaspoons of pure vanilla extract
  • 1/2 cup of brown sugar
  • 1/3 cup of granulated sugar
  • 1 cup of old fashioned oats
  • 3/4 cup of all purpose flour
  • 1 1/2 teaspoons of baking powder
  • 1/2 teaspoon of salt
  • 1/2 cup of chocolate chips
  • 1/2 cup of M&M's
  • 1/4 cup of toffee bits
  • 1/4 cup of nuts, crushed or chopped
  • flaky sea salt

Instructions

  • Preheat your oven to 350°
  • Lightly grease and line an 8”x8” baking dish with parchment paper. Set aside for now
  • In a large bowl, whisk 4 tablespoons of melted butter with 1/2 cup of peanut butter, a large egg and 2 teaspoons of pure vanilla extract until smooth 
  • Add 1/2 cup of brown sugar and 1/3 cup of granulated sugar and whisk until fully combined 
  • Add 1 cup of old fashioned oats, 3/4 cup of all purpose flour, 1 1/2 teaspoon of baking powder and 1/2 teaspoon of salt and mix until just combined 
  • Fold 1/2 cup of chocolate chips, 1/2 cup of M&M’s, 1/4 cup of toffee bits and 1/4 cup of chopped nuts into the dough until evenly distributed 
  • Spread the mixture evenly throughout the prepared baking dish
  • Bake in a 350° oven for 28-30 minutes or until the edges are golden brown and the center is nicely puffed up 
  • Top with flaky sea salt
  • Rest for 1 hour before transferring out of the baking dish 
  • Use a sharp knife to cut into slices