One-Bowl Classic Chocolate Chip Cookie Bars
Soft and chewy chocolate chip cookie bars made in one bowl, delivering all the flavor of cookies with less fuss. This American-inspired recipe, ready in about 43 minutes, layers all-purpose flour, unsalted butter, melted, brown sugar, packed 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 180 calories and feeds 24, 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
- 2 1/4 cups all-purpose flour
- 1 cup unsalted butter, melted
- 1 cup brown sugar, packed
- 1/2 cup granulated sugar
- 2 large eggs
- 2 tsp vanilla extract
- 1 tsp baking soda
- 1/2 tsp salt
- 2 cups semisweet 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 the oven to 350°F and grease a 9x13-inch baking pan.
- Step 2: In a large mixing bowl, whisk together 1 cup melted unsalted butter, 1 cup packed brown sugar, and 1/2 cup granulated sugar until smooth and combined.
- Step 3: Beat in 2 large eggs and 2 tsp vanilla extract until fully incorporated and slightly fluffy.
- Step 4: In a separate bowl, whisk 2 1/4 cups all-purpose flour, 1 tsp baking soda, and 1/2 tsp salt.
- Step 5: Gradually add the dry ingredients to the wet ingredients, stirring just until combined without overmixing.
- Step 6: Fold in 2 cups semisweet chocolate chips evenly throughout the batter.
- Step 7: Spread the batter evenly into the prepared baking pan and bake for 25-28 minutes until the edges are golden and a toothpick inserted near the center comes out with moist crumbs.
- Step 8: Allow the cookie bars to cool completely in the pan on a wire rack before cutting into 24 squares.









