Instructions:
- Preheat the oven to 350°F (175°C). Grease and line a 9×13-inch baking pan with parchment paper, leaving some overhang for easy removal.
- In a large mixing bowl, cream together the softened butter, brown sugar, and peanut butter until light and fluffy.
- Beat in the eggs and vanilla extract until well combined.
- Stir in the baking soda, salt, oats, and flour. Mix until just combined—do not overmix.
- Fold in the chocolate chips and half of the candy-coated chocolates, distributing evenly.
- Press the dough evenly into the prepared baking pan. Sprinkle the remaining candies on top and gently press them into the surface.
- Bake for 20–25 minutes, or until the bars are golden brown and the center is just set. Don’t overbake—slightly soft is perfect.
- Let the bars cool completely in the pan before lifting out and slicing into squares.
Variations:
- Nut-Free Option: Use sunflower seed butter or cookie butter instead of peanut butter.
- Double Chocolate: Add 1/4 cup cocoa powder to the dough for a chocolate base.
- Holiday Twist: Use seasonal candy colors (like red and green for Christmas or pastel for Easter).
- Add-Ins: Stir in chopped nuts, toffee bits, or shredded coconut for extra flavor and texture.
Tips:
- Use room temperature ingredients for smooth mixing and even baking.
- Let the bars cool fully for the cleanest slices—they set up as they rest.
- Store in an airtight container at room temperature for up to 5 days.
- These freeze beautifully—wrap individually and thaw as needed for an on-the-go treat.
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Monster Cookie Bars are as fun to make as they are to eat—colorful, rich, and delightfully chewy with a bit of crunch in every bite. Whether you’re baking for a crowd or for yourself, this is a sweet treat that always hits the mark.