Malted Chocolate Chunk Cookie Bars

By EmilyC
March 28, 2018
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Author Notes: These malted chocolate chunk cookie bars are the ultimate sweet treat in my book. They're like a chocolate chip cookie, brownie, and blondie rolled into one. They're soft, chewy, and fudgy with crackly tops, and have a complex, nutty-malty flavor from the combination of brown butter and malted milk powder.

If you want to up the salty-sweet factor, sprinkle a few pinches of flaky sea salt evenly over the batter before baking.

Food52 Review: To read more about why these bars are so great, see the full article.The Editors

Makes: 24 bars
Prep time: 40 min
Cook time: 40 min

  • 16 tablespoons (225 grams) unsalted butter (2 sticks)
  • 2 tablespoons cold water
  • 1/2 cup (100 grams) granulated sugar
  • 1 cup (198 grams) dark brown sugar, packed
  • 1/2 cup (44 grams) malted milk powder, such as Ovaltine or Carnation
  • 1 teaspoon kosher salt
  • 1 teaspoon baking soda
  • 1 tablespoon vanilla
  • 3 large eggs, straight from the fridge
  • 2 cups (240 grams) all-purpose flour
  • 3 tablespoons (18 grams) unsweetened cocoa powder
  • 12 ounces (340 grams) semisweet chocolate, coarsely chopped into 1/4- to 1/2-inch chunks (or 2 cups chocolate chips)
  • 1 cup (112 grams) chopped pecans (optional)
  1. In a small saucepan over medium heat, melt the butter and cook until it turns brown and smells nutty, about 4 to 6 minutes. Stir frequently, scraping up any bits from the bottom so they don't burn. Remove from heat and immediately transfer brown butter to a liquid measuring cup (scraping all of the brown bits into the cup) and stir in water. Cool to room temperature (or 75°F on an instant-read thermometer), either by refrigerating for about 30 minutes, or setting the measuring cup in an ice bath and stirring several times to speed up the cooling process. While it cools, proceed with Steps 2 and 3 and prep your ingredients.
  2. Center a rack in the oven and heat to 350°F.
  3. Line a 9x13x2-inch aluminum baking pan with two overlapping sheets of aluminum foil, pushing the foil into the corners and up the sides and letting the excess overhang the pan edges. Grease lightly. (Alternatively, line the bottom of the pan with parchment if serving the cookie bars straight from the pan.)
  4. In the bowl of a stand mixer fitted with the whisk attachment, combine sugars, malted milk powder, salt, baking soda, vanilla, and eggs. Mix on low speed until just moistened, then increase speed to high and beat until thick and fluffy and several shades lighter in color, about 5 minutes (could be longer if using a hand mixer).
  5. Reduce speed to low, and drizzle in brown butter (making sure to scrape all of the brown bits into the bowl); mix until evenly incorporated. Add flour and cocoa; mix until just incorporated (do not overmix), then chocolate chunks and pecans. Transfer the batter into prepared pan, smoothing top with spatula.
  6. Bake until puffy, a few cracks have formed on the surface, the edges are starting to pull away from the pan, and the middle is just set, about 26 to 32 minutes, or an internal temperature of 205°F in the middle (make sure the probe isn't touching the bottom of the pan). Cool on wire rack to room temperature. Remove bars from pan by lifting foil overhang and transfer to cutting board. Cut into 2-inch squares and serve.

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