Halloween Cookie Bars on a serving dish — Ready for your Halloween Party

I was INSPIRED by this super fun bag of Halloween M&M’s. So, I had to create this super simple Halloween Cookie Bar recipe. Didn’t they turn out so cute?!? The recipe is super simple and can be used for regular chocolate chip cookies. You can also double it and make an AMAZING Cookie Cake at HOME!

Tools

The thing to remember with this recipe is the size pan it calls for. You need a 9×13 baking sheet or cake pan. A half sheet pan is too large. And use parchment paper if you have any. It makes moving the cookie bars to a cooling rack much easier. I use it for so many different recipes now. Once you start using it you will love it!

M&M's scattered on top of raw cookie dough before baking — M&M’s scattered on top of cookie dough

Adding the M&M’s

The only thing to remember is when to add the M&M’s. When you make my Halloween Cookie Bars, the last thing you do before you bake them is sprinkle on the M&M’s. The idea is for them to just lay on top of the cookie dough so they don’t sink in too far. We want the fun colors to show after baking.

These would make great treats to share with your neighbors for Trick or Treating. You can take these to a Halloween Party. Or add these to a “Boo the Neighbor” gift!

Halloween Cookie Bars Hot from the oven — Hot from the oven

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Halloween Cookie Bars

Chocolate Chip cookie bars with added Halloween M&M's!

Course Dessert

Cuisine American

Keyword Cookie Bars, Halloween Dessert, M&M dessert

Prep Time 15

Cook Time 25

Total Time 40

Servings 16

Ingredients

½ cup butter softened
¾ cup brown sugar
¾ cup sugar
2 eggs
1 tsp vanilla extract
2 ¼ cups All-purpose flour
1 tsp baking soda
¾ tsp salt
1 tsp corn starch
¾ cup semi-sweet Chocolate chips
½ cup Halloween M&M’s

Instructions

Preheat oven to 325 degrees. Line 9×13 sheet pan with parchment paper.
In a large bowl, cream butter and sugars together. Add eggs and vanilla. Mix until fully combined.
In a medium bowl, whisk dry ingredients together.
Add dry ingredients to butter mixture in thirds.
Mix chocolate chips into cookie batter by hand.
Press cookie batter into prepared sheet tray. Spray hands with cooking spray to keep batter from sticking to hands.
Sprinkle M&M’s on top of batter.
Bake for 25 minutes.
After baking allow to cool for 10 minutes.
After 10 minutes, use parchment to remove cookie bars to cooling rack.
Once bars are cooled, cut and enjoy.