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Easy Holiday M&Ms Cake Mix Cookie Bars Recipe

When you need a quick holiday treat, these M&Ms cake mix cookie bars are the answer. With just a box of yellow cake mix, a couple of eggs, some oil, and festive red and green M&Ms, you can have a whole pan of chewy, colorful dessert bars ready in no time.

They’re simple to make, easy to slice, and perfect for holiday trays or last-minute get-togethers.

Holiday M&Ms cake mix cookie bars

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Sometimes you just need a dessert that doesn’t take much effort, and that’s where these holiday M&Ms cake mix dessert bars come in.

How to Make Holiday M&Ms Cake Mix Cookie Bars

Here are the ingredients you need to make these holiday M&Ms cake mix bars, plus step by step instructions for how to make them.

Ingredients

  • 15.25 oz box yellow cake mix
  • 2 eggs
  • ½ cup vegetable oil
  • 1 cup M&Ms (red and green)
Holiday M&Ms cake mix cookie bars ingredients

Step by Step Instructions

1. Preheat your oven to 350°F so it’s ready when your dough is mixed.

2. Lightly grease an 11×7-inch brownie pan or line it with parchment paper for easy removal.

3. In a large mixing bowl, combine the cake mix, eggs, and oil. Stir until everything is well blended and a soft dough comes together.

Holiday M&Ms cake mix cookie bars process 3

4. Fold in the red and green M&Ms, making sure they’re evenly distributed throughout the dough.

Holiday M&Ms cake mix cookie bars process 4

5. Transfer the mixture to your prepared pan. Spread it out evenly, pressing it gently into the corners and edges.

Holiday M&Ms cake mix cookie bars process 5

6. Bake for 25-28 minutes, or until the top is golden brown and the center is set.

7. Remove from the oven and let the cookie bars cool completely in the pan.

8. Once cooled, slice into squares or rectangles.

Holiday M&Ms cake mix cookie bars process 6

9. Serve and enjoy!

Holiday M&Ms cake mix cookie bars

That’s all it takes – four ingredients and one pan. These holiday M&Ms cake mix cookie bars are easy, festive, and always a crowd-pleaser. Bring them to a Christmas party, add them to a cookie tray, or just keep a plate on the counter for everyone at home. It’s a simple recipe that makes holiday baking a little easier.

More Christmas Treats

Holiday M&Ms Cake Mix Cookie Bars

Make holiday M&Ms cake mix cookie bars with just 4 ingredients. Easy, festive dessert bars perfect for Christmas parties, trays, or gift giving.
Prep Time5 minutes
Cook Time28 minutes
Total Time33 minutes
Course: Dessert
Servings: 24
Author: Carol

Ingredients

  • 15.25 oz box yellow cake mix
  • 2 eggs
  • ½ cup vegetable oil
  • 1 cup M&Ms (red and green)

Instructions

  • Preheat your oven to 350°F so it’s ready when your dough is mixed.
  • Lightly grease an 11×7-inch brownie pan or line it with parchment paper for easy removal.
  • In a large mixing bowl, combine the cake mix, eggs, and oil. Stir until everything is well blended and a soft dough comes together.
  • Fold in the red and green M&Ms, making sure they’re evenly distributed throughout the dough.
  • Transfer the mixture to your prepared pan. Spread it out evenly, pressing it gently into the corners and edges.
  • Bake for 25-28 minutes, or until the top is golden brown and the center is set.
  • Remove from the oven and let the cookie bars cool completely in the pan.
  • Once cooled, slice into squares or rectangles.
  • Serve and enjoy!

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