One-Bowl Peanut Butter Cookie Bars

By AislePrompt Editorial · ·

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 developed and reviewed.

Soft and chewy peanut butter cookie bars made in one bowl, perfect for a quick and satisfying dessert. This American-inspired recipe, ready in about 32 minutes, layers creamy peanut butter, granulated sugar, large eggs 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.

Prep: 10 min Cook: 22 min Serves 12 American cuisine 190 cal/serving
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Ingredients

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Instructions

  1. Step 1: Preheat oven to 350°F and grease an 8x8-inch baking pan.
  2. Step 2: In a large mixing bowl, combine 1 cup creamy peanut butter with 1 cup granulated sugar. Beat with a hand mixer for 1 minute until creamy.
  3. Step 3: Add 2 large eggs, 1 tsp vanilla extract, 1 tsp baking powder, and 1/4 tsp salt to the bowl. Mix on medium speed until fully combined and smooth.
  4. Step 4: Spread the batter evenly into the prepared pan using a spatula.
  5. Step 5: Bake for 20-22 minutes until edges are set and top is lightly golden but center is still soft.
  6. Step 6: Remove from oven and cool completely in the pan on a wire rack before slicing into 12 bars.

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