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Peanut Butter S’mores Oatmeal Cookie Bars


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  • Author: sarah
  • Total Time: 40 minutes
  • Yield: 12 servings 1x
  • Diet: Vegetarian

Description

Irresistibly chewy and gooey, these Peanut Butter S’mores Oatmeal Cookie Bars combine the best elements of a s’more and a classic oatmeal cookie into one scrumptious treat.


Ingredients

Scale
  • 1 cup peanut butter
  • 1/2 cup brown sugar
  • 1/2 cup granulated sugar
  • 2 large eggs
  • 1 teaspoon vanilla extract
  • 1 cup rolled oats
  • 1 cup all-purpose flour
  • 1/2 teaspoon baking soda
  • 1/4 teaspoon salt
  • 1 cup chocolate chips
  • 1 cup mini marshmallows

Instructions

  1. Preheat your oven to 350°F (175°C) and line an 8×8 or 9×9-inch baking dish with parchment paper.
  2. Combine the peanut butter, brown sugar, and granulated sugar in a large bowl. Stir until smooth and glossy.
  3. Add the eggs and vanilla extract, whisking until fully combined.
  4. Fold in the rolled oats, flour, baking soda, and salt until just combined.
  5. Gently fold in the chocolate chips and mini marshmallows, reserving some for topping.
  6. Spread the mixture evenly into the prepared baking dish and sprinkle with reserved chocolate chips and marshmallows.
  7. Bake for 25–30 minutes, or until golden brown and set in the center.
  8. Let cool completely before cutting into bars.

Notes

Store in an airtight container for up to 3 days, or freeze for up to 3 months. Use creamy peanut butter for best results.

  • Prep Time: 10 minutes
  • Cook Time: 30 minutes
  • Category: Dessert
  • Method: Baking
  • Cuisine: American

Nutrition

  • Serving Size: 1 bar
  • Calories: 240
  • Sugar: 17g
  • Sodium: 200mg
  • Fat: 13g
  • Saturated Fat: 3g
  • Unsaturated Fat: 5g
  • Trans Fat: 0g
  • Carbohydrates: 28g
  • Fiber: 2g
  • Protein: 6g
  • Cholesterol: 30mg