Oven-Baked Chocolate Chip Cookie Bars

By AislePrompt Editorial · Published 2026-05-04 · Updated 2026-05-04

How this recipe was made — this recipe was drafted by AislePrompt's AI-assisted pipeline from technique templates and USDA-sourced nutrition data, and published by AislePrompt Editorial — see how AislePrompt recipes are drafted and published.

Soft and chewy cookie bars loaded with semi-sweet chocolate chips, baked in a sheet pan for easy slicing and sharing. This American-inspired recipe, ready in about 35 minutes, layers unsalted butter, brown sugar, granulated sugar 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 220 calories and feeds 9, 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.

Prep: 10 min Cook: 25 min Serves 9 American cuisine 220 cal/serving

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Ingredients

1/2 cup (113g), melted unsalted butter
3/4 cup, packed brown sugar
1/4 cup granulated sugar
1 large egg
1 tsp vanilla extract
1 cup all-purpose flour
1/2 tsp baking soda
1/4 tsp salt
3/4 cup semi-sweet chocolate chips

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Instructions

Step 1: Preheat oven to 350°F (175°C). Line an 8x8-inch baking pan with parchment paper.
Step 2: In a medium bowl, whisk together 1/2 cup melted unsalted butter, 3/4 cup packed brown sugar, and 1/4 cup granulated sugar until smooth.
Step 3: Beat in 1 large egg and 1 tsp vanilla extract until fully incorporated.
Step 4: In another bowl, sift together 1 cup all-purpose flour, 1/2 tsp baking soda, and 1/4 tsp salt.
Step 5: Gradually add the dry ingredients to the wet mixture, stirring just until combined.
Step 6: Fold in 3/4 cup semi-sweet chocolate chips evenly.
Step 7: Spread the batter evenly in the prepared pan and bake for 20-25 minutes until the edges are golden and a toothpick inserted in the center comes out with moist crumbs.
Step 8: Let cool completely in the pan before slicing into bars.