Classic M&M Cookie Bars (2024)

How to Make M&M Cookie Bars

1. Start by mixing the cookie dough. The dough should be fairly thick, so a stand mixer is best, but you can also use a hand mixer.
2. Beat together two sticks of room temperature butter with brown sugar and granulated sugar.
3. Add in eggs and vanilla extract and continue mixing until well combined.
4. Add flour, salt, and baking soda and mix just until cookie dough forms.
5. Finally, stir in chocolate chips and M&M’S.
6. Transfer cookie dough to a 9×13 pan lined with foil and sprayed with nonstick cooking spray. This makes the bars easier to lift out and cut after baking.
7. Sprinkle dough with additional M&M’s and mini chocolate chips.
8. Bake 30-35 minutes in a 350 degree oven until bars are golden brown.
9. Let cool completely on a wire rack and cut.

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5 from 8 votes

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Prep Time

10 mins

Cook Time

30 mins

Total Time

40 mins

• 2sticksunsalted butterat room temperature
• 1cupgranulated sugar
• 1cupgolden brown sugarfirmly packed
• 3large eggs
• 1 1/2teaspoonspure vanilla extract
• 3cupsall-purpose flour
• 3/4teaspoonbaking soda
• 3/4teaspoonsalt
• 1 1/2cupsM&M'splus more for topping
• 1cupmini chocolate chipsplus more for topping

1. Preheat oven to 350 degrees.

2. Line a 9×13 baking dish with foil, leave some overhang to make removal easier.

3. Spray foil generously with nonstick cooking spray.

4. In the bowl of a stand mixer, beat butter, granulated sugar, and brown sugar together until fluffy.

5. Add in eggs and vanilla extract and continue to beat.

6. Lower speed of mixer and add flour, baking soda and salt and mix until combined.

7. Add M&M’s and mini chocolate chips and give a final stir, reserving some M&M’s and mini chocolate chips for topping cookie bars.

8. Transfer cookie dough to prepared baking dish.

9. Press additional M&M’S and chocolate chips into top of cookie dough.

10. Bake for 30-35 minutes or until bars are a light golden brown and just set in the center.

11. Let cool completely and cut.

Nutrition Facts

M&M Cookie Bars

Amount Per Serving

Calories 317Calories from Fat 117

% Daily Value*

Fat 13g20%

Saturated Fat 8g50%

Cholesterol 56mg19%

Sodium 253mg11%

Potassium 52mg1%

Carbohydrates 46g15%

Fiber 1g4%

Sugar 29g32%

Protein 4g8%

Vitamin A 376IU8%

Vitamin C 1mg1%

Calcium 32mg3%

Iron 1mg6%

* Percent Daily Values are based on a 2000 calorie diet.