M&M Sugar Cookie Bars Recipe for Chewy Sweet Treats

M&M sugar cookie bars combine two beloved treats into one simple dessert that appeals to cookie lovers of all ages.

Soft, chewy, and loaded with colorful candy pieces, they’re an instant crowd-pleaser at parties, bake sales, and family gatherings.

The bars cut serving time in half compared to traditional drop cookies while delivering that same satisfying sweetness everyone craves.

They look festive on any dessert table and require minimal effort to pull together on busy weeknights.

Kids love helping arrange the candies on top before baking, making it a fun activity that brings families closer in the kitchen.

The rainbow of colors makes them suitable for holidays, birthdays, or random Tuesday afternoons when something sweet sounds absolutely necessary.

You can have a pan ready to share in less than an hour from start to finish.

Standout Features Of M and M Sugar Cookie Bars

• Easy Crowd-Pleaser: These bars are perfect for parties where your friends will devour every single colorful square before you can blink.
• No-Fuss Baking: With just one bowl and simple ingredients, even baking newbies can create a delicious treat that looks totally professional.
• Kid-Friendly Treat: Children absolutely adore the cheerful M&M colors sprinkled throughout, making this a guaranteed smile-maker at family gatherings.
• Beginner Baker’s Win: The straightforward recipe means minimal steps and maximum happiness, so anyone can feel like a baking champion without stress.

Core Ingredients for M&M Sugar Cookie Bars

• All-Purpose Flour (2 cups): The foundation of your cookie bars that gives them perfect tender structure.
• Baking Powder (1/2 tsp): Helps your bars rise and become light and soft.
• Salt (1/2 tsp): Enhances the overall flavor and balances the sweetness.

• Unsalted Butter (3/4 cup): Creates rich, tender texture that makes these bars melt in your mouth.
• Granulated Sugar (1 1/2 cups): Provides sweetness and helps create a beautiful golden color.

• Large Eggs (2): Bind the ingredients together and add richness to the bars.
• Vanilla Extract (2 tsp): Adds warm, deep flavor that complements the sweet M&Ms.

• M&M Candies (1 cup): Brings bursts of color and chocolate fun to every single bite of your bars.

Standard Cooking Tools for M&M Sugar Cookie Bars

• 9×13-inch Baking Pan: Perfect for creating those delectable M&M sugar cookie bars, with parchment paper making removal a breeze.
• Large Microwave-Safe Bowl: Essential for melting butter smoothly and mixing your ingredients with ease.
• Medium Mixing Bowl: Ideal for combining your dry ingredients and creating that perfect flour mixture.
• Whisk: Great for blending flour, baking powder, and salt without any pesky lumps.
• Wooden Spoon or Spatula: Helps you fold ingredients gently and spread batter evenly in your pan.
• Measuring Cups and Spoons: Crucial for getting your ingredient quantities just right.
• Cooling Rack: Helps your bars cool down completely after baking, ensuring the perfect texture.
• Sharp Knife: Needed to cut your bars into neat, equal squares once they’ve cooled.
• Toothpick: Handy for checking if your bars are baked to perfection.

Preparing M&M Sugar Cookie Bars Step by Step

Helpful Cooking Notes For M&M Sugar Cookie Bars

• Microwave butter in 15-second intervals to prevent overheating and ensure smooth mixing.
• Stir butter and sugar until the mixture looks slightly glossy for a perfect texture.
• Fold 3/4 cup of M&Ms into the batter first, saving some for topping to create a beautiful surface design.
• Check bars at 22 minutes – golden edges and a clean toothpick mean perfectly baked treats.
• Let bars cool completely in the pan to help them set and make cutting easier.

Easy Variations for M&M Sugar Cookie Bars

• Chocolate Chip Classic: Swap M&M candies with standard chocolate chips for a traditional cookie bar taste, using the same 3/4 cup in batter and 1/4 cup sprinkled on top.
• Gluten-Free Friendly: Replace regular flour with a cup-for-cup gluten-free flour blend, keeping all other measurements exactly the same for your dietary needs.
• Nutty Crunch Edition: Mix in 1/2 cup chopped pecans or walnuts alongside the candies, adding extra texture and a warm, roasted flavor to your bars.
• Vegan Version: Substitute butter with coconut oil, use egg replacer or mashed banana, and select vegan-friendly chocolate candies for a plant-based treat that matches the original recipe’s deliciousness.

Serving Notes For M And M Sugar Cookie Bars

• Serve with Milk: Grab a cold glass of milk to complement these sweet, colorful bars. The creamy drink balances the sugary treat perfectly.
• Party Platter Presentation: Arrange the bars on a colorful platter for birthday parties or gatherings. Kids and adults will love the cheerful M&M colors.
• Afternoon Snack Sidekick: Pack these bars in lunchboxes or enjoy with afternoon tea. They’re a quick, satisfying pick-me-up that brightens any day.
• Dessert Buffet Star: Place these bars among other sweets on a dessert table. Their vibrant M&Ms make them stand out and tempt every guest.

Recommended Storage Method for M&M Sugar Cookie Bars

• Store bars in an airtight container at room temperature for up to 5 days, keeping a paper towel inside to absorb extra moisture and maintain their soft texture.
• Freeze the cooled bars between layers of parchment paper in a sealed freezer container for maximum 3 months, letting them thaw at room temperature before serving.
• Wrap individual bars separately in plastic wrap to keep them fresh and prevent them from sticking together when storing in the refrigerator or freezer.
• Keep bars away from direct sunlight and heat sources to preserve their color and prevent the M&M candies from melting or becoming discolored.

M&M Sugar Cookie Bars Questions And Answers

M&M Sugar Cookie Bars Recipe

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4.7 from 29 reviews

• Total Time: 1 hours 37-40 minutes
• Yield: 12 1x

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Description

Whipping up m&m sugar cookie bars brings pure joy to your kitchen, turning a simple afternoon into a colorful sweet celebration. Chocolate candies scattered through buttery, tender cookie dough create the perfect treat that everyone will absolutely adore.

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Ingredients

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Primary Ingredients:

• 2 cups all-purpose flour
• 1 ½ cups granulated sugar
• ¾ cup unsalted butter
• 2 large eggs
• 1 cup M&M candies

Supporting Ingredients:

• ½ teaspoon baking powder
• ½ teaspoon salt

Flavor Enhancers:

• 2 teaspoons vanilla extract

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Instructions

1. Heat your oven to precisely 350°F and prepare a 9×13-inch pan with parchment paper for easy removal.
2. Combine 2 cups flour, ½ teaspoon baking powder, and ½ teaspoon salt in a medium mixing bowl, whisking thoroughly.
3. Melt ¾ cup butter completely in a microwave-safe bowl until fully liquid.
4. Mix 1 ½ cups granulated sugar into the melted butter until the mixture looks smooth and slightly shiny.
5. Incorporate 2 large eggs and 2 teaspoons vanilla extract, stirring until the ingredients blend seamlessly.
6. Gently fold the dry flour mixture into the wet ingredients, mixing just until combined without overmixing.
7. Carefully fold ¾ cup M&M candies into the batter, distributing them evenly throughout.
8. Transfer the batter into the lined pan, spreading it smoothly and leveling the surface with a spatula.
9. Scatter the remaining M&M candies across the top of the batter for extra color and crunch.
10. Bake for exactly 22-25 minutes, watching for lightly golden edges and checking with a toothpick for doneness.
11. Allow the bars to cool completely in the pan for approximately 1 hour, giving them time to set.
12. Lift the entire batch out using the parchment paper edges and slice into 24 uniform squares.

Notes

• Ensure butter is only warm, not hot, when mixing with sugar to prevent a grainy texture.
• Fold dry ingredients gently to keep bars tender and prevent tough, dense results.
• For a gluten-free version, swap all-purpose flour with a 1:1 gluten-free baking blend.
• Store bars in an airtight container at room temperature for up to 5 days to maintain softness.

• Prep Time: 15 minutes
• Cook Time: 22-25 minutes
• Category: Dessert Bars
• Method: Baking
• Cuisine: American

Nutrition

• Serving Size: 12
• Calories: 285 kcal
• Sugar: 27 g
• Sodium: 95 mg
• Fat: 13 g
• Saturated Fat: 8 g
• Unsaturated Fat: 4 g
• Trans Fat: 0.3 g
• Carbohydrates: 38 g
• Fiber: 1 g
• Protein: 2 g
• Cholesterol: 40 mg