Monster Cookie Bars
Monster cookie bars are chewy thick bars! They're loaded with peanut butter, m&m's, rolled oats, and chocolate chips! They taste like one soft oatmeal peanut butter cookie and come together in 30 minutes for an easy dessert that's perfect for any occasion.
Ingredients
- 1/2 cup butter softened
- 1/3 cup peanut butter creamy
- 1/4 cup dark brown sugar
- 1/4 cup golden brown sugar
- 1 egg room temperature
- 1 egg yolk room temperature
- 1 1/2 tbsp vanilla
- 1 cup all-purpose flour
- 1 cup rolled oats
- 1/2 tsp baking powder
- 1/4 tsp salt
- 1/2 cup mini m&ms
- 1/2 cup semi-sweet chocolate chips
- halloween decor eyes optional
Instructions
- Preheat the oven to 350°F/180°C. Line a square 8x8 baking pan with parchment paper and set aside.
- In a large mixing bowl, cream butter, peanut butter, and both brown sugars until light and fluffy.1/2 cup butter, 1/3 cup peanut butter, 1/4 cup dark brown sugar, 1/4 cup golden brown sugar
- Add in the egg, egg yolk, and vanilla and continue whisking.1 egg, 1 egg yolk, 1 1/2 tbsp vanilla
- Add in the flour, baking powder, rolled oats, and salt. Fold until a soft dough forms. Do not overmix!1 cup all-purpose flour, 1 cup rolled oats, 1/2 tsp baking powder, 1/4 tsp salt
- Toss in the chocolate chips and mini M&M's and mix until just combined.1/2 cup mini m&ms, 1/2 cup semi-sweet chocolate chips
- Transfer into the prepared baking pan and press down firmly and evenly.
- Bake for 20-21 minutes or until the edges are a light golden brown. The middle will look soft, but will continue to bake as it cools
- Add more chocolate chips, M&M's, and some halloween decor if desired. Slice and enjoy!halloween decor eyes