Black and White Chocolate Bar Cookies Recipe

By
Yvonne Ruperti
A photo of Yvonne Ruperti, a contributing writer at Serious Eats.
Yvonne Ruperti
Yvonne Ruperti is a food writer, recipe developer, former bakery owner, and cookbook author. She is also an adjust professor of baking at the Culinary Institute of America in Singapore.
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Updated April 13, 2020
20130415-248335-chocolate-bar-cookies-primary.jpg
Photograph: Yvonne Ruperti

Cookie bars chock full of chocolate chips, nuts, and white chocolate chips.

Recipe Details

Black and White Chocolate Bar Cookies Recipe

Active 10 mins
Total 60 mins
Makes 12 bars

Ingredients

  • 10 tablespoons (5 ounces) unsalted butter, cubed
  • 1 cup (7 ounces) packed light brown sugar
  • 1/2 teaspoon salt
  • 1 large egg
  • 1 teaspoon vanilla extract
  • 1 cup (5 ounces) plus 2 tablespoons all-purpose flour
  • 1/4 cup (3/4 ounce) plus 2 tablespoons cocoa
  • 1/2 teaspoon baking soda
  • 1/2 cup white chocolate chips, divided
  • 1/2 cup bittersweet chocolate chips
  • 1/2 cup walnuts, chopped
  • 1/4 cup dried cherries, optional

Directions

  1. Adjust oven rack to middle position and preheat oven to 350°F. Grease a 9- by 9-inch baking pan.

  2. In large bowl, stir butter with sugar and salt until creamy. Stir in egg and vanilla.

  3. Add flour, cocoa, and baking soda to bowl and stir to combine. Stir in 1/2 white chocolate chips, bittersweet chocolate chocolate chips, nuts, and cherries (if using).

  4. Spread into pan and smooth top. Bake until center is just set, 20 to 25 minutes. Let cool in pan 30 minutes. Cut into squares.

Special equipment

9- by 9-inch baking pan

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