Delicious M&M Cookie Bars Recipe
Introduction
These Delicious M&M Cookie Bars are a perfect treat for satisfying your sweet tooth. They combine a soft, buttery cookie base with colorful M&Ms and chocolate chips for a fun and flavorful dessert. Easy to make and perfect for sharing, they are sure to become a family favorite.

Ingredients
- 1/2 cup softened butter
- 1/2 cup brown sugar
- 1/4 cup white sugar
- 1 tsp vanilla extract
- 1 egg
- 1/3 tsp baking soda
- 1/3 tsp salt
- 1 cup flour
- 1/2 cup chocolate chips
- 1/2 cup M&Ms
Instructions
- Step 1: Preheat the oven to 350°F (175°C). In a bowl, mix the softened butter, brown sugar, and white sugar until smooth.
- Step 2: Beat the mixture until fully incorporated. Add the vanilla extract and egg, then beat again until combined.
- Step 3: In a separate bowl, combine the flour, baking soda, and salt. Gradually add these dry ingredients to the wet mixture, beating until just combined.
- Step 4: Stir in the chocolate chips and most of the M&Ms, saving some M&Ms for topping.
- Step 5: Spread the dough evenly into an 8×6 inch or 9×7 inch baking pan. Sprinkle the reserved M&Ms on top.
- Step 6: Bake in the preheated oven for 18–20 minutes, or until the surface is golden brown.
- Step 7: Allow the cookie bars to cool in the pan before slicing into squares.
Tips & Variations
- For a softer texture, slightly underbake the bars and let them finish setting as they cool.
- Swap the chocolate chips for white or peanut butter chips to vary the flavor.
- Add chopped nuts like walnuts or pecans for extra crunch.
Storage
Store the cookie bars in an airtight container at room temperature for up to 4 days. For longer storage, refrigerate them for up to one week or freeze for up to 3 months. Reheat briefly in the microwave to enjoy warm bars.
How to Serve

Serve this delicious recipe with your favorite sides.
FAQs
Can I use regular chocolate candies instead of M&Ms?
Yes, you can substitute with any colorful chocolate candies or even mini chocolate chips for a similar look and taste.
How do I know when the cookie bars are done baking?
Look for a golden brown surface and slightly firm edges. The center should be set but still soft. Avoid overbaking to keep them chewy.
PrintDelicious M&M Cookie Bars Recipe
These Delicious M&M Cookie Bars are a perfect treat combining the classic flavors of chewy brown sugar cookie dough with colorful M&M candies and chocolate chips. Easy to make and baked to golden perfection, these bars are ideal for a snack or dessert that kids and adults will both love.
- Prep Time: 10 minutes
- Cook Time: 20 minutes
- Total Time: 30 minutes
- Yield: 12 bars 1x
- Category: Dessert
- Method: Baking
- Cuisine: American
Ingredients
Wet Ingredients
- 1/2 cup softened butter
- 1/2 cup brown sugar
- 1/4 cup white sugar
- 1 tsp vanilla extract
- 1 egg
Dry Ingredients
- 1 cup all-purpose flour
- 1/3 tsp baking soda
- 1/3 tsp salt
Add-ins
- 1/2 cup chocolate chips
- 1/2 cup M&Ms (reserve some for topping)
Instructions
- Preheat Oven: Preheat your oven to 350°F (175°C) to prepare for baking the cookie bars.
- Cream Butter and Sugars: In a mixing bowl, combine the softened butter, brown sugar, and white sugar. Beat the mixture until it becomes smooth and creamy.
- Add Vanilla and Egg: Incorporate the vanilla extract and egg into the creamed mixture by beating thoroughly until fully blended.
- Combine Dry Ingredients: In a separate bowl, whisk together the flour, baking soda, and salt to ensure even distribution.
- Mix Dry into Wet: Gradually add the dry ingredients into the wet mixture, beating until completely combined into a smooth dough.
- Fold in Chocolate and M&Ms: Stir in the chocolate chips and most of the M&Ms, keeping some M&Ms aside for topping the bars.
- Prepare Pan: Spread the cookie dough evenly into an 8×6 inch or 9×7 inch baking pan for an even thickness.
- Add Topping: Sprinkle the reserved M&Ms evenly over the top of the dough to create a colorful finish.
- Bake: Place the pan in the preheated oven and bake for 18 to 20 minutes or until the surface turns golden brown.
- Cool and Slice: Allow the cookie bars to cool completely in the pan before slicing them into squares for serving.
Notes
- Make sure the butter is softened to room temperature for easy creaming with sugars.
- Do not overbake; the bars should be golden but still soft for a chewy texture.
- You can substitute M&Ms with other colorful candies or chocolate pieces if desired.
- Allow bars to cool fully to set properly and prevent them from falling apart when cut.
- Store cookie bars in an airtight container at room temperature for up to 3 days.
Keywords: M&M cookie bars, chocolate chip bars, easy cookie bars, chewy cookie bars, colorful cookie bars

