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    Home » Cookies

    M&M Cookie Bars

    Published: Feb 21, 2023 by Kim This post may contain affiliate links. Leave a Comment

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    5 from 1 vote

    M&M Cookie Bars with loads of chocolate chips and M&M's, are the perfect dessert option for your family. These soft and chewy cookie bars are so simple to make and will be an instant favorite of your family.

    cookie bars on foil with mm behind.
    Delicious chocolate chips and M&M's combine to make these delightful cookie bars!

    Chocolate chips and M&M's are quite the combination. They go hand in hand like marshmallow and chocolate or cream cheese and graham crackers.

    That is why you can be pretty confident these M&M Cookie Bars will be a favorite of your family. It's a no-miss combination of gooey chocolate and the candy shell of M&M's. The cookie part is pretty great too.

    Ingredients

    • margarine (or butter)
    • egg
    • sugar
    • brown sugar
    • flour
    • baking soda
    • salt
    • chocolate chips
    • M&M's

    I personally use Imperial margarine for this cookie bar recipe and I believe it to work the best. Others may have varying opinions about butter verses margarine and you can certainly use butter.

    The imperial margarine is what I use and it is tried and true with this recipe.

    Putting foil on the pan

    Putting foil on the pan is not necessary but it does allow you to remove the bars and cut them easier.

    That is especially helpful when you are serving guests or are taking them to a bake sale and you want the pieces to be cut evenly and neatly.

    The foil does not need to be greased in any way. It will peel back nicely from the M&M Cookie Bars.

    foil covering a 9x13 pan.

    How to make M&M cookie bars

    The sugars, butter and egg need to be blended together first. For the best results, all the ingredients shouldn't be mixed together at the same time. Cream the butter, sugars and egg together.

    cookie dough in a red bowl.

    Next, add the flour, baking soda and salt.

    flour and salt added to a red bowl.

    Stir the flour mixture together with the butter mixture until well blended. Now, it is time for the yummy part.

    chocolate chips in cookie dough.

    Spreading the cookie dough

    cookie dough being spread on a foil lined pan.

    Spread the cookie dough out evenly and carefully using a wooden or plastic spoon.

    Bake

    Bake in a 375 degree oven for 30-40 minutes or until cookie is set and a golden brown.

    MM cookie bars in a foil lined pan.

    Wait! What about the M&M's?

    Yes, these are M&M cookie bars. We need M&M's! When the bars have baked for at least 20 minutes, pull the bars out of the oven and carefully (the pan is hot) set the M&M's on top of the bars.

    I add the M&M's last so the colors won't bleed while baking and it will give a nice crisp look to the bars.

    Place the cookie bars back into the oven to bake for the remainder of the time left.

    FAQ

    Can I just mix the M&M's into the batter so I won't have to add them while the bars are baking?

    Yes, you certainly can. I just like the look of the bars better this way. They will still taste great.

    Can I use other types of M&M's?

    Sure! Peanut butter M&M's would taste great or a different color of M&M's for the changing seasons/holidays.

    After baking

    After the bars are done baking, remove them from the oven and let cool completely on the counter. Then carefully remove the foil from the pan. It should come out easily for you to cut the cookie bars.

    cookie bars on a foil sheet.

    Such a great and easy cookie dessert to make, this cookie bar recipe is perfect for potlucks, school parties or your own dessert table. This M&M bars are great served by itself or with a scoop of vanilla ice cream. Enjoy!

    Want other cookie recipes? Try:

    • Caramel Chocolate Chip Skillet Cookie
    • Gooey Strawberry Cookies
    • Gooey Butter Cookies

    Pin for later!

    Chocolate chip M&M cookie bars on a foil sheet with a knife behind.

    📖 Recipe

    M&M cookie bars stacked in two.
    Print Pin
    5 from 1 vote

    M&M Cookie Bars

    A delightful cookie bar recipe, enjoy the chocolate and soft cookie base of these M&M Cookie Bars.
    Course Dessert
    Cuisine American
    Keyword chocolate chip, cookie bars, M&M
    Prep Time 10 minutes minutes
    Cook Time 35 minutes minutes
    Total Time 45 minutes minutes
    Servings 15 servings
    Calories 391kcal
    Author Kim Strawn
    Prevent your screen from going dark

    Equipment

    • 1 9x13 pan
    • 1 mixing bowl
    • 1 mixing spoon

    Ingredients

    • 1 cup margarine softened
    • 1 egg
    • ¾ cup white sugar
    • ¾ cup brown sugar
    • 2 ¼ cup all purpose flour I use unbleached but bleached will work
    • 1 teaspoon baking soda
    • ½ teaspoon salt
    • 1 cup chocolate chips semi sweet or milk chocolate
    • 1 cup M&M's

    Instructions

    • Preheat oven to 375°.
    • Cover a 9x13 baking pan with foil. Set aside.
    • Mix the softened butter, sugars and egg in a large bowl.
    • Stir in the flour, baking soda and salt.
    • Fold in the chocolate chips and M&M's.
    • Spread on the bottom of the 9x13 pan.
    • Bake at 375° degrees for 35-40 minutes or until cookie is set and turns a golden brown.
    • Remove from oven and let cool completely. Remove bars from pan and peel back the foil. Cut into squares.
    • Serve by itself or with ice cream.

    Notes

    Note: For alternative way to add the M&M's, see post. 

    Nutrition

    Calories: 391kcal | Carbohydrates: 53g | Protein: 4g | Fat: 19g | Saturated Fat: 6g | Polyunsaturated Fat: 3g | Monounsaturated Fat: 6g | Trans Fat: 0.05g | Cholesterol: 15mg | Sodium: 318mg | Potassium: 45mg | Fiber: 1g | Sugar: 37g | Vitamin A: 615IU | Vitamin C: 0.2mg | Calcium: 48mg | Iron: 1mg
    Tried this recipe?Mention @Thebakingwithmom or tag #bakingwithmom!

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    Hey There, I'm Kim! A taco fan, cookie eater and food blogger to all things yummy. I'm also a mom to 4 growing kids so I understand busy! Here you will find recipes that are quick, delicious and can get on the table fast. Click here to read more about me.

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