Description
Soft and chewy Monster Cookie Bars made with peanut butter, oats, chocolate chips, and colorful M&M’s baked in one pan.
Ingredients
Scale
- 2 cups all-purpose flour
- 2 cups old fashioned oats
- 1 teaspoon baking soda
- 1 teaspoon sea salt
- 1 cup unsalted butter, room temperature
- 1 cup creamy peanut butter
- 1 1/2 cups light brown sugar
- 1/2 cup granulated sugar
- 2 large eggs
- 1 tablespoon vanilla extract
- 1 1/4 cups semi-sweet chocolate chips
- 1 1/2 cups M&M’s
- Flaky sea salt
Instructions
- Preheat oven to 350 degrees F and grease a 9×13-inch pan.
- Whisk together flour, oats, baking soda, and salt.
- Cream butter, peanut butter, and sugars until smooth.
- Add eggs and vanilla and mix until combined.
- Mix in dry ingredients just until combined.
- Stir in chocolate chips and 1 cup of M&M’s.
- Spread dough evenly into prepared pan.
- Top with remaining M&M’s.
- Bake 25–35 minutes until lightly golden and set.
- Sprinkle with flaky sea salt and cool before slicing.
Notes
- Do not overbake to keep bars soft.
- Dough can be chilled up to 48 hours before baking.
- Prep Time: 10 minutes
- Cook Time: 30 minutes
- Category: Dessert
- Method: Baking
- Cuisine: American
Nutrition
- Serving Size: 1 bar
- Calories: 320
- Sugar: 26g
- Sodium: 210mg
- Fat: 18g
- Saturated Fat: 9g
- Unsaturated Fat: 8g
- Trans Fat: 0g
- Carbohydrates: 36g
- Fiber: 3g
- Protein: 6g
- Cholesterol: 55mg