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We are OBSESSED with peanut butter M&Ms (especially Lo)!

It’s no wonder we all love these peanut butter M&M cookies! We love a good cookie, especially a variation of our favorite Chocolate Chip Cookies (with peanut butter).

This version has a peanut butter base, crushed PB M&Ms throughout, and PB M&Ms on top. In other words….peanut butter overload! But in the best way of course.

They’re quick easy, and you can’t go wrong with a peanut butter + chocolate combo (extra emphasis on peanut butter)!

Why we think you’ll love it:

  • Peanut butter overload! But in the best way possible. From the base to the M&Ms, there is plenty of PB flavor!
  • No need to chill. Just mix and bake! These easy cookies are ready to enjoy in under 20 minutes.
  • We love M&Ms! These cookies include both crushed (in the cookies) and whole M&Ms (on top) for extra M&M goodness.

Peanut Butter M&M Cookies Ingredients and Substitutions

  • 1 cup brown sugar – We use light brown sugar, but dark brown works too.
  • 1 cup granulated sugar
  • ½ cup unsalted butter – or salted butter
  • ¼ cup vegetable oil
  • ¼ cup creamy peanut butter – regular peanut butter like Skippy or JIF
  • 2 large eggs – room temperature
  • 1 teaspoon baking soda
  • 1 teaspoon salt – reduce or omit if using salted butter
  • 1 teaspoon baking powder
  • 1 teaspoon vanilla extract
  • 3 cups all-purpose flour – see How to Measure Flour
  • ½ cup crushed Peanut Butter M&Ms
  • whole Peanut Butter M&Ms (enough to go on top) – We ALWAYS add some on top of the cookie to make them even prettier!

How to Make Peanut Butter M&M Cookies

  1. PREP. Preheat the oven to 350°F.
  2. DOUGH. Cream butter, oil, peanut butter, granulated sugar, and brown sugar in a mixer. Add eggs and beat until fluffy.
    • Mix in dry ingredients. Add vanilla extract and mix well.
  3. M&M’S. Add crushed M&M’s and mix until well combined. Use a cookie scoop to drop cookie dough balls on a greased baking sheet and add 3-5 M&Ms to each cookie.
  4. BAKE. Bake for 7-9 minutes. ENJOY!
  • For the perfect cookie shape, we always use a spatula to round the edges right after we take them out of the oven.
  • A medium cookie scoop will produce two dozen cookies, but you can use a smaller or bigger scoop for more or less cookies.
  • You don’t have to add M&M’s on top before baking, but we can’t resist making our cookies look even more irresistible. Plus, no one ever complained about extra M&M’s!
4.93 from 13 votes

Peanut Butter M&M Cookies

From the base to the M&Ms, these soft and chewy peanut butter M&M cookies are delicious peanut butter overload!
Servings: 24
Prep: 10 minutes
Cook: 7 minutes
Total: 17 minutes
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Ingredients 

  • 1 cup brown sugar
  • 1 cup sugar
  • ½ cup butter
  • ¼ cup vegetable oil
  • 2 eggs
  • 1 teaspoon baking soda
  • 1 teaspoon salt
  • 1 teaspoon baking powder
  • 1 teaspoon vanilla extract
  • 3 cups all-purpose flour
  • ¼ cup creamy peanut butter
  • ½ cup crushed Peanut Butter M&Ms
  • whole Peanut Butter M&Ms, (enough to go on top)

Instructions 

  • Preheat oven to 350°F.
  • In a large mixing bowl, cream butter, oil, peanut butter, brown sugar, and granulated sugar. Add eggs and beat until fluffy.
  • Add baking soda, baking powder, salt, flour, and vanilla. Mix well.
  • Add crushed M&M's and mix until well combined. Use a medium cookie scoop to drop cookie dough balls on a greased baking sheet and add 3-5 M&Ms to each cookie.
  • Bake for 7-9 minutes.

Notes

Recipe Tips
  • For the perfect cookie shape, we always use a spatula to round the edges right after we take them out of the oven.
  • A medium cookie scoop will produce two dozen cookies, but you can use a smaller or bigger scoop for more or less cookies.
  • You don’t have to add M&M’s on top before baking, but we can’t resist making our cookies look even more irresistible. Plus, no one ever complained about extra M&M’s!
Freeze the cookie dough in log form or as dough balls for about 3 months. See How to Freeze Cookie Dough for tips. 
Store baked cookies in an airtight container for 5-7 days or in the freezer for up to 3 months. 

Nutrition

Calories: 221kcal, Carbohydrates: 32g, Protein: 3g, Fat: 9g, Saturated Fat: 3g, Cholesterol: 24mg, Sodium: 206mg, Potassium: 72mg, Sugar: 20g, Vitamin A: 150IU, Calcium: 28mg, Iron: 1mg

Recipe FAQ

How to freeze the dough?

Freeze the cookie dough in log form or as dough balls for about 3 months. See How to Freeze Cookie Dough for tips. 

How to store?

Keep the baked cookies in an airtight container for 5-7 days or in the freezer for up to 3 months. 

This recipe was originally published March 2021.

About Kristyn

Kristyn Merkley is a published cookbook author, wife, mom of six, and major food enthusiast! For the past 15 years, she has been sharing foolproof, family-friendly recipes—each one tested in her kitchen—that anyone can master. As a seasoned recipe creator, she loves making cooking simple, stress-free, and totally doable for everyone!

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4.93 from 13 votes (7 ratings without comment)

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13 Comments

  1. Lynette Fuegmann says:

    4 stars
    Recipe doesn’t say when to add vanilla. I added it with the eggs.

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