One-Bowl Peanut Butter and Chocolate Chip Cookie Bars
Soft, chewy cookie bars packed with peanut butter and semi-sweet chocolate chips, made easily without multiple bowls. This American-inspired recipe, ready in about 35 minutes, layers all-purpose flour, baking soda, salt into a dessert worth slowing down for — great for weekend baking, holiday tables, or any time you want a sweet payoff at the end of a meal. Each serving lands at about 190 calories and feeds 12, so it slots into a weekend bake or a special-occasion dessert tray. Tap "Plan a meal with the AI" below to drop this recipe into your week and send the ingredients straight to Instacart. Nutrition values are approximate, calculated from USDA FoodData Central (fdc.nal.usda.gov) — verify against ingredient labels for any health-driven dietary plan.
Ingredients
- 1 1/2 cups all-purpose flour
- 1/2 tsp baking soda
- 1/4 tsp salt
- 1/2 cup (1 stick), melted unsalted butter
- 3/4 cup, packed brown sugar
- 1/4 cup granulated sugar
- 1/2 cup, creamy peanut butter
- 1 large egg
- 1 tsp vanilla extract
- 3/4 cup semi-sweet chocolate chips
The bakeware we’d bake this in → Best Bakeware Sets in 2026: Top Picks + Buying Guide
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Equipment for this recipe
Tools this recipe's steps call for, with a link to each on Amazon.
Instructions
- Step 1: Preheat oven to 350°F and grease an 8x8-inch baking pan. In a large bowl, whisk together 1 1/2 cups all-purpose flour, 1/2 tsp baking soda, and 1/4 tsp salt.
- Step 2: Add 1/2 cup melted unsalted butter, 3/4 cup packed brown sugar, 1/4 cup granulated sugar, and 1/2 cup creamy peanut butter to the flour mixture. Stir with a wooden spoon until combined.
- Step 3: Beat in 1 large egg and 1 tsp vanilla extract until the dough is smooth and uniform.
- Step 4: Fold in 3/4 cup semi-sweet chocolate chips evenly.
- Step 5: Spread the dough evenly into the prepared pan, smoothing the top with a spatula.
- Step 6: Bake for 22-25 minutes, until the edges are golden and a toothpick inserted in the center comes out with moist crumbs.
- Step 7: Cool completely in the pan before cutting into 12 bars.








