Servings |
Ingredients
- 2 sticks butter, room temperature
- 1 cup granulated sugar
- 1 cup firmly packed golden brown sugar
- 3 large eggs
- 1 1/2 teaspoon pure vanilla extract
- 3 cups all-purpose flour
- 3/4 teaspoon baking soda
- 3/4 teaspoon salt
- 1 1/2 cups Christmas M&M's, plus more for topping
- 1 cup mini chocolate chips, plus more for topping
- 1/2 cup white chocolate chips
Ingredients
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Instructions
- Preheat oven to 350 degrees. Line a 9x13 baking dish with foil or parchment paper, leave some overhang to make removal easier. Spray foil with nonstick cooking spray. In the bowl of a stand mixer, beat butter, granulated sugar, and brown sugar together until fluffy. Add in eggs and vanilla extract and continue to beat. Lower speed of mixer and add flour, baking soda and salt and mix until combined. Add M&M's and mini chocolate chips and give a final stir, reserving some M&M's, mini chocolate chips and white chocolate chips for topping cookie bars. Transfer cookie dough to prepared baking dish. Press additional M&M'S, mini chocolate chips and white chocolate chips into top of cookie dough. Bake 35 to 40 minutes on oven rack in lower third of oven to prevent over browning. Let cool completely and cut.
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