Soft and chewy M&M chocolate chip cookie bars loaded with gooey chocolate and colorful candies. This easy one-pan dessert recipe is perfect for parties, kids, and quick homemade treats.
M&M Chocolate Chip Cookie Bars
Soft, chewy, and loaded with chocolate, these M&M chocolate chip cookie bars are an easy one-pan dessert perfect for any occasion. With a rich buttery base, colorful candy crunch, and gooey chocolate chips, they deliver bakery-style flavor in every bite—ready in under an hour.
Ingredients
Equipment
Method
- Prep
- Preheat oven to 350°F (175°C)
- Line a 9×13-inch baking pan with parchment paper
- Mix Dry Ingredients
- In a bowl, whisk together:
- Flour
- Baking soda
- Salt
- Mix Wet Ingredients
- In another bowl:
- Combine melted butter + sugars
- Whisk until smooth
- Add eggs + vanilla
- Mix until creamy
- Combine
- Gradually add dry ingredients into wet
- Mix until just combined (don’t overmix)
- Add Chocolate & M&Ms
- Fold in:
- Chocolate chips
- M&Ms
- Transfer to Pan
- Spread batter evenly into pan
- Sprinkle extra M&Ms on top
- Bake
- Bake for 25–30 minutes
- Edges should be golden
- Center slightly soft (it firms up while cooling)
- Cool & Slice
- Let cool completely (important!)
- Cut into squares or bars
Notes
Slightly underbake for gooey texture
Use room temperature eggs for better mixing
Add a pinch of flaky salt on top for a bakery-style finish
Chill dough 20 mins if you want thicker bars
Use room temperature eggs for better mixing
Add a pinch of flaky salt on top for a bakery-style finish
Chill dough 20 mins if you want thicker bars
