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Kitchen Sink Bars

Kitchen Sink Bars

  • Author: Paige Adams
  • Prep Time: 10 minutes
  • Cook Time: 22-25 minutes
  • Total Time: 32-35 minutes
  • Yield: 16 bars 1x


Use your favorite combination of white, milk & dark chocolate chips, pretzels, crushed potato chips, nuts and more for these kitchen sink bars.


  • 1/4 cup unsalted butter at room temperature plus more for pan
  • 1/2 cup packed light brown sugar
  • 1/2 cup granulated sugar
  • 1 large egg
  • 1 teaspoon vanilla extract
  • 1 cup all-purpose flour
  • 1 teaspoon baking powder
  • 1 teaspoon fine sea salt
  • 11/2 cups mix-ins (assorted chocolate chips, pretzels, nuts, crushed potato chips, dried fruit, shredded coconut)


  1. Preheat the oven to 350 degrees F. Butter an 8-inch square baking pan.
  2. In a large bowl, using an electric mixer, cream the butter and sugars until pale and fluffy. Beat in the egg and vanilla extract.
  3. In a small bowl, combine the flour, baking powder and salt. Fold the dry ingredients into the wet ingredients and stir 1 cup of in your preferred mix-ins. Transfer to the prepared baking pan and spread into an even layer and press the remaining mix-ins on top.
  4. Bake for 22-25 minutes until golden brown. Let the pan cool on a wire rack before cutting into 16 equal bars.
  5. Store in an airtight container.