Why Make This Recipe
Extra Soft & Chewy M&M Cookie Bars are perfect for anyone who loves cookies that are soft, chewy, and loaded with colorful M&M’s. These bars are easy to make, require minimal ingredients, and are a hit with both kids and adults. They are great for parties, snacks, or a simple dessert at home. Plus, the vibrant colors of the M&M’s make them visually appealing and fun!
How to Make Extra Soft & Chewy M&M Cookie Bars
Ingredients
- 2 cups all-purpose flour
- 1 teaspoon baking soda
- 1/2 teaspoon salt
- 1/2 cup unsalted butter, melted
- 1 cup brown sugar
- 1/2 cup granulated sugar
- 1 large egg
- 1 teaspoon vanilla extract
- 1 cup M&M’s
Directions
- Preheat your oven to 350°F (175°C) and grease a 9×13 inch baking pan.
- In a bowl, mix together the flour, baking soda, and salt.
- In another bowl, combine the melted butter, brown sugar, and granulated sugar until smooth.
- Add the egg and vanilla extract, mixing until well combined.
- Gradually add the flour mixture to the wet ingredients until just combined.
- Fold in the M&M’s.
- Spread the dough evenly in the prepared baking pan.
- Bake for about 20-25 minutes or until the edges are golden.
- Allow to cool before cutting into bars.
How to Serve Extra Soft & Chewy M&M Cookie Bars
Serve these cookie bars warm or at room temperature. Cut them into squares and place them on a plate. They make a delightful treat for a family movie night, or you can pack some in lunchboxes for a sweet surprise!
How to Store Extra Soft & Chewy M&M Cookie Bars
To store your cookie bars, place them in an airtight container at room temperature. They will stay fresh for about 4-5 days. If you want to keep them longer, you can freeze them! Just wrap each bar in plastic wrap and place them in a freezer-safe bag. They can be frozen for up to 3 months. Thaw them in the refrigerator before enjoying.
Tips to Make Extra Soft & Chewy M&M Cookie Bars
- Make sure to use room temperature ingredients for better mixing.
- Don’t overbake the bars; they should be soft in the center when you take them out.
- You can adjust the amount of M&M’s to your liking, or mix in other chocolates for a twist!
Variation
Feel free to add nuts, like walnuts or pecans, for extra crunch. You can also swap the M&M’s for chocolate chips or dried fruits if desired.
FAQs
1. Can I use whole wheat flour instead of all-purpose flour?
Yes, you can use whole wheat flour, but the texture may be denser.
2. What can I use instead of butter?
You can substitute the butter with coconut oil or a vegan butter alternative for a dairy-free option.
3. Can I make these cookie bars ahead of time?
Absolutely! You can make the dough in advance and keep it in the fridge for up to 24 hours before baking. Just be sure to let it sit at room temperature for a few minutes before spreading in the pan and baking.

Extra Soft & Chewy M&M Cookie Bars
Ingredients
Method
- Preheat your oven to 350°F (175°C) and grease a 9x13 inch baking pan.
- In a bowl, mix together the flour, baking soda, and salt.
- In another bowl, combine the melted butter, brown sugar, and granulated sugar until smooth.
- Add the egg and vanilla extract, mixing until well combined.
- Gradually add the flour mixture to the wet ingredients until just combined.
- Fold in the M&M's.
- Spread the dough evenly in the prepared baking pan.
- Bake for about 20-25 minutes or until the edges are golden.
- Allow to cool before cutting into bars.