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Cookie bar with chocolate, pretzels, marshmallows, and pecans.

All In Cookie Bars

Sarah Baade
Thick chocolate chip cookie base packed full with add-ins you have in your pantry.
Prep Time 15 minutes
Cook Time 35 minutes
Course Dessert, Snack
Cuisine American
Servings 16 cookie bars


  • 1 Stand Mixer or Hand Mixer
  • 1 8x8 baking pan


  • 2 cups all-purpose flour
  • 1 teaspoon baking soda
  • 1/2 teaspoon salt
  • 1 cup unsalted butter, softened
  • 1/2 cup brown sugar, packed
  • 1/2 cup sugar
  • 2 large eggs
  • 1 teaspoon pure vanilla extract

Add Ins - can be customized based on what you have on hand

  • 1 cup semi-sweet chocolate chunks
  • 1 cup mini marshmallows
  • 2/3 cup pretzel pieces
  • 1/2 cup dark chocolate chips
  • 1/2 cup pecan pieces


  • Preheat oven to 350°F and line 8x8 baking pan with parchment paper.
  • In a medium mixing bowl, whisk together flour, baking soda, and salt.
  • In a large mixing bowl, beat butter with sugar and brown sugar until light in texture.
  • Mix in eggs and vanilla.
  • Gradually stir in dry ingredients until just combined.
  • With a sturdy wooden spoon, stir in add ins of your choice.
  • Press dough into prepared baking pan and bake 30-35 minutes or until golden in color and a test stick comes out clean.
  • Once cooled, cut into 16 squares and enjoy!


Use whatever add ins you happen to have in your pantry. Possible options: toffee bits, walnuts, peanuts, potato chips, gold fish, chocolate of any type (dark, milk, white, etc).
Keyword All In Cookie Bars, Chocolate Chip, Chocolate Chip Cookies, Cookie Bars