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Bar cookies with chocolate chips cut into squares.
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4.84 from 6 votes

Chewy Chocolate Chip Cookie Bars

Baked in an 8x8 pan and finished with flaky sea salt, these 10-ingredient chewy chocolate chip cookie bars are an easy homemade dessert.
Prep Time10 minutes
Cook Time30 minutes
Total Time40 minutes
Course: Cookies
Cuisine: American
Servings: 16 bars
Author: Paige Adams

Ingredients

  • 1/4 cup unsalted butter at room temperature plus more for greasing 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
  • 1/2 teaspoon kosher salt
  • 1 cup semi-sweet chocolate chips
  • Flaky sea salt such as Maldon

Instructions

  • Preheat the oven to 350 degrees F.
  • Grease an 8-inch square baking pan with butter and line with parchment paper.
  • In a large bowl, using an electric mixer, cream the butter and both sugars until pale and fluffy, about 5 minutes. Beat in the egg and vanilla extract.
  • In a medium bowl, combine the flour, baking powder and kosher salt. Fold the dry ingredients into the wet ingredients. Stir in about 3/4 cup chocolate chips.
  • Spread the batter into the prepared baking pan. Scatter the remaining chocolate chips on top and gently press them down slightly.
  • Bake for 28-30 minutes until golden brown.
  • Sprinkle with flaky sea salt immediately after removing the pan from the oven.
  • Let the pan cool on a wire rack. Run a knife around the edge of the cookie. Use the parchment paper to lift it out of the pan onto a cutting board. Then cut it into 16 squares. Store in an airtight container.

Notes

Store the bars in an airtight container at room temperature up to 5 days. You will find that they have tendency to dry out the less fresh they are. You can revive the bars in a 325-degree-F oven for 3-4 minutes.
To keep the bars up to a month, store in an airtight container in the freezer. Thaw them on a plate at room temperature and warm in the oven as desired.
Optional Variations: Besides semisweet chocolate chips, you can use one or a combination of the following. You will need a total of 1 cup with 3/4 cup stirred into the batter and the remaining amount pressed in on top.
  • Bittersweet chocolate chips, milk chocolate chips or a mix of chocolate types
  • Chopped chocolate chunks
  • Peanut butter chips
  • Chopped nuts: walnuts, pecans or almonds (I recommend combining these with chocolate chips)
  • m&ms: Any exposed m&ms will crack in the heat of the oven. This does not effect their taste.

Nutrition

Calories: 174kcal | Carbohydrates: 25g | Protein: 2g | Fat: 8g | Saturated Fat: 4g | Polyunsaturated Fat: 0.3g | Monounsaturated Fat: 2g | Trans Fat: 0.1g | Cholesterol: 19mg | Sodium: 107mg | Potassium: 86mg | Fiber: 1g | Sugar: 17g | Vitamin A: 109IU | Calcium: 31mg | Iron: 1mg