Monster Cookie Bars are a colorful, chewy, and completely crave-worthy treat that brings together the best parts of everyone’s favorite cookies in one easy-to-make bar. Packed with peanut butter, oats, chocolate chips, and bright candy-coated chocolates, they’re thick, soft, and loaded with texture. These bars are sweet, a little salty, and entirely irresistible—perfect for kids, parties, bake sales, or just because.
What makes these bars truly “monster” is their generous mix of ingredients and bold, chunky appearance. The peanut butter adds richness, the oats give them that hearty chew, and the chocolate elements bring a delightful melt-in-your-mouth sweetness. They’re easy to whip up and even easier to customize with your favorite add-ins or candy colors for themed celebrations.
Unlike drop cookies that require batch baking, this recipe is all-in-one: just press the dough into a pan, bake, and slice. The result is perfect every time—golden edges, a soft center, and colorful candy bursts throughout. They’re great for making ahead and storing, too.
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Whether you’re serving a crowd or looking for something fun to bake with the family, Monster Cookie Bars deliver both flavor and fun in every bite.
Servings: 16 bars
Total Time: 40 minutes
Prep Time: 15 minutes
Cook Time: 25 minutes
Ingredients:
- 1/2 cup unsalted butter, softened
- 1 cup brown sugar, packed
- 1/2 cup peanut butter
- 2 large eggs
- 1 teaspoon vanilla extract
- 1 teaspoon baking soda
- 1/4 teaspoon salt
- 1 1/2 cups quick oats
- 1 cup all-purpose flour
- 1 cup chocolate chips
- 1 cup candy-coated chocolates (like M&M’s)
Instructions:
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