King Arthur: Chewy Chocolate Chip Cookie Bars

No time to make everyone's favorite, chocolate chip cookies? This dough comes together in a flash — just spread it in a pan and bake; no need to shape individual cookies.

 By Volume

  • 2/3 cup (10 2/3 tablespoons) butter
  • 2 cups + 2 tablespoons firmly packed brown sugar
  • 3/4 teaspoon salt*
  • 1 teaspoon vanilla extract
  • 1/4 teaspoon butterscotch flavor or vanilla-butternut flavor, optional
  • 3 large eggs
  • 2 1/4 teaspoons baking powder
  • 1/2 teaspoon espresso powder, optional
  • 2 3/4 cups King Arthur Unbleached All-Purpose Flour
  • 3 cups chocolate chips; or a combination of different flavored chips, or chips and nuts
  • *Use 1 teaspoon salt if you use unsalted butter.

By Weight

 

Directions

1) Preheat the oven to 350°F. Lightly grease a 9" x 13" pan.

2) Melt the butter, and stir in the brown sugar. Add the salt, vanilla, and flavor, stirring until well combined.

3) Allow the mixture to cool slightly (if it's very hot to the touch), then add the eggs one at a time, beating well after each addition. Scrape the sides and bottom of the mixing bowl midway through this process.

4) Add the baking powder, espresso powder, and flour, stirring to combine.

5) Stir in the chips or other additions of your choice.

6) Scoop the batter into the prepared pan, spreading it to the edges with a wet spatula (or your wet fingers). Smooth the top as best you can.

7) Bake the bars for 30 to 32 minutes, until they've risen, and their top is shiny and golden. A cake tester inserted into the center won't come out clean; in fact, the center of the very middle of the pan may look quite molten when you dig into it. But so long as no wet batter is showing farther out towards the edges, the bars are done. As they cool, the center will solidify.

8) Remove the bars from the oven, and use a heatproof spatula to press down the risen edges; this will make bars with flat, rather than humped tops. Let the bars cool completely before cutting; overnight is best. Once bars are cool, wrap airtight. Store wrapped bars at room temperature for a couple of days.

Yield: 2 dozen bars.

 

Recipe summary

Hands-on time: 10 mins. to 15 mins.
Baking time: 30 mins. to 32 mins.
Total time: 40 mins. to 47 mins.
Yield: 24 bars

Tips from our bakers

  • For old-fashioned "congo bars," use a mixture of your favorite flavored chips: chocolate, white chocolate, cinnamon, cappuccino, butterscotch, etc.; plus chopped walnuts or pecans.
  • These bars are very moist indeed just after you've removed them from the oven. You might think they're underbaked; that would be true, if you were going to eat them right away. But letting them cool completely (overnight is best) leaves them with wonderfully chewy, moist texture; if you baked them completely through initially, their final texture would be much drier.
  • To regain that delicious just-baked, melty chocolate freshness, reheat individual bars in the microwave very briefly, just until warm.

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