Ingredients
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baking spray with flour
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1 1/3 cups white sugar
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2/3 cup packed light brown sugar
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1 cup unsalted butter, softened
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2 large eggs
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2 teaspoon vanilla extract
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3 cups all-purpose flour
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1 teaspoon baking powder
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1 teaspoon kosher salt
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3/4 teaspoon baking soda
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2 cups mini semisweet chocolate chips
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1 cup toasted, chopped walnuts
Directions
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Preheat the oven to 350 degrees F (175 degrees C). Gather all ingredients.
![all ingredients to make chocolate chip cookie bars gathered on the kitchen counter.]()
Dotdash Meredith Food Studios
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Line bottom and sides of a 13x9-inch baking pan with heavy duty aluminum foil, leaving a 2-inch overhang on all sides, lightly spray with baking spray; set aside.
![baking dish lined with foil.]()
Dotdash Meredith Food Studios
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Beat together white sugar, brown sugar, and butter with a stand mixer fitted with paddle attachment on medium speed until light and fluffy, about 3 minutes, stopping to scrape down sides as needed.
![Butter and sugars beat together in the bowl of a stand mixer.]()
Dotdash Meredith Food Studios
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With mixer running on low, add eggs, one at a time, beating until just combined after each addition. Beat in vanilla until just combined.
![Eggs added to cream butter and sugar.]()
Dotdash Meredith Food Studios
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Whisk together flour, baking powder, salt, and baking soda in a medium bowl until combined. With stand mixer running on low speed, gradually beat in flour mixture until almost fully incorporated, about 2 minutes, stopping to scrape down sides as needed.
![flour gradually being added to form cookie dough]()
Dotdash Meredith Food Studios
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Stir in chocolate chips and toasted walnuts until combined.
![chocolate chips and walnuts folded into cookie dough]()
Dotdash Meredith Food Studios
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Transfer dough into prepared baking pan, spreading into an even layer.
![Cookie dough spread into an even layer in foil lined baking sheet.]()
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Bake in preheated oven until golden brown and set, about 40 minutes, rotating baking pan front to back halfway through.
![Chocolate chip cookie bars baked until golden brown.]()
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Let cookie cool completely in pan on wire rack, about 1 hour. Using foil overhang as handles, lift cookie out of pan.
![cookie bars cooling on a wire rack before being cut.]()
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Cut into 24 (about 2-inch) squares.
![Cookie bars being cut into 24 squares.]()
Dotdash Meredith Food Studios
Nutrition Facts (per serving)
| 572 | Calories |
| 30g | Fat |
| 72g | Carbs |
| 7g | Protein |
| Nutrition Facts | |
|---|---|
| Servings Per Recipe 12 | |
| Calories 572 | |
| % Daily Value * | |
| Total Fat 30g | 39% |
| Saturated Fat 13g | 67% |
| Cholesterol 72mg | 24% |
| Sodium 293mg | 13% |
| Total Carbohydrate 72g | 26% |
| Dietary Fiber 3g | 9% |
| Total Sugars 40g | |
| Protein 7g | 14% |
| Vitamin C 2mg | 2% |
| Calcium 62mg | 5% |
| Iron 3mg | 14% |
| Potassium 273mg | 6% |
* Percent Daily Values are based on a 2,000 calorie diet. Your daily values may be higher or lower depending on your calorie needs.
** Nutrient information is not available for all ingredients. Amount is based on available nutrient data.
(-) Information is not currently available for this nutrient. If you are following a medically restrictive diet, please consult your doctor or registered dietitian before preparing this recipe for personal consumption.
