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    Home » Sweets

    Cake Mix Cookie Bars

    Published: May 4, 2020 · Modified: Aug 31, 2020 by heather · This post may contain affiliate links

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    Cake mix cookie bars are the ultimate semi-homemade dessert. These lazy cookie bars are filled with colorful chocolate candy and are always a winner with the kids.

    Cake mixes can be used in so many different ways than the recipe on the box. I love using it for cookies like these lemon cookies and strawberry cookies. 

    stacked cookie bars

    Have you ever been invited to a party or gathering last minute and need something quick to make and bring over? Or have your kids shown up with a group of starving friends ready for a snack?

    These cookie bars are just the thing to make for these type of situations. Four ingredients, about 30 minutes and you have a treat that everyone will be asking for the recipe. 

    Why this works

    • Using cake mix makes this recipe fast to whip up.
    • Only need 4 ingredients. 
    • Perfect for a last minute dessert.
    • Delicious, chewy texture with a slight candy coated crunch. 

    bag of m&m's, eggs, butter, cake mix

    Ingredients needed

    Yellow cake mix – The base of the cookie bars.

    Butter – Adds rich flavor.

    Eggs 

    M&M’s – Add fun color and of course chocolate goodness.

    How to make cookie bars with cake mix

    Scroll to the bottom for full printable recipe, ingredients and video.

    • Mix: Put cake mix, melted butter and eggs into a large bowl. Mix until combined.
    • Stir: Stir candy in with the batter.
    • Spread: Spread batter evenly in a 9 x 13 ban lined with parchment paper or foil. The batter is very thick so use a spatula or your hands to get the batter pressed down and spread. 
    • Bake: Bake cookie bars for about 20 – 25 minutes or until starting to turn golden brown. 
    • Cool: Make sure to let the bars cool before cutting. 

    candy in a bowl with batter

    How to store

    These will stay good at room temperature in an airtight container. They will last about one week, but mine always get eaten way before that. 

    To freeze, make sure they completely cool. I like to cut mine into squares and then place them on a baking sheet in the freezer. Once they have frozen, place the squares in a freezer safe container. Thaw in the refrigerator.

    Variations

    The awesome thing about these cookie bars is that you can use most any candy. I love the colorful M&M’s but here are some other delicious options:

    • Chocolate Chips
    • White Chocolate Chips
    • Butterscotch Chips
    • Chopped Heath Bar
    • Reeces Pieces (Love this one)
    • Butterfinger

    Can I use a different cake mix?

    Yes, you can use white, chocolate, even red velvet. I prefer the rich vanilla flavor the yellow mix gives these bars. 

    Cake Mix Cookie Bars on a plate

    More delicious cookie recipes

    • Chocolate Oreo Chunk Cookies– Chocolate cookies with chunks of Oreo cookies. 
    • Banana Oatmeal Cookies– Chewy cookies that taste just like banana bread. 
    • Congo Squares– These chocolate chip squares are a classic. 
    • Oatmeal Fudge Bars– Oatmeal cookie bars layered with a delicious fudge middle. 
    • Blonde Brownies – Chewy blondies with white chocolate chips. 
    • Cake Mix Brownies – Use a cake mix to make delicious, fudgy brownies. 

    ***If you made this recipe, please be sure to leave a comment and rating below. 

    cookie bars on a plate
    Print Recipe Pin Recipe Rate Recipe
    4.50 from 4 votes

    Cake Mix Cookie Bars

    These cake mix cookie bars can be made with just a few ingredients.
    Prep Time5 mins
    Cook Time25 mins
    Total Time30 mins
    Course: Dessert
    Cuisine: American
    Keyword: cake mix cookie bars
    Servings: 24 squares
    Calories: 126kcal
    Author: Heather

    Ingredients

    • 1 (15.25 oz) box yellow cake mix
    • 2 eggs
    • 1/2 cup butter, melted
    • 2 cups M&M's

    Instructions

    • Preheat oven to 350 degrees F. Line a 9 x 13 inch baking pan with parchment paper and spray with non-stick spray.
    • Pour cake mix, eggs and butter in a large bowl. Stir until combined.
    • Stir in M&M's.
    • Spread batter in prepared baking pan. Use a spatula or hands to press down.
    • Bake for 20-25 minutes. The edges should start to turn golden brown. Cool before cutting.

    Video

    Nutrition

    Calories: 126kcal | Carbohydrates: 12g | Protein: 1g | Fat: 8g | Saturated Fat: 5g | Cholesterol: 26mg | Sodium: 51mg | Potassium: 5mg | Fiber: 1g | Sugar: 11g | Vitamin A: 177IU | Vitamin C: 1mg | Calcium: 23mg | Iron: 1mg
    Tried this recipe?Follow me @foodlovinfamily or tag #foodlovinfamily!

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    Comments

    1. Cecelia

      August 19, 2020 at 3:45 pm

      5 stars
      These brownies were perfect; almost as good as using regular ingredients but faster and less time gathering ingredients: raising four boys leaves me little time to spend looking for ingredients. However, I always have a box of cake mix. Now two of my boys want to try different cake mixes and experiment. I call that a double success recipe. Thank you.

      Reply
      • heather

        August 19, 2020 at 5:16 pm

        I’m so happy you are enjoying them! With four boys I am sure you are so busy!! Thank you for the comment!

        Reply
    2. Molly

      May 19, 2020 at 4:45 am

      3 stars
      I followed the recipe to a T. Perfect conditions, turned out as just cake. Fluffy. Airy. Not dense or chewy like anything resembling a cookie. Tasty, but not at all what I was looking for. Would’ve just made regular cake tbh.

      Reply

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