These M&M cookie bars are big bake sale vibes. They've got all the comfort of a chocolate chip cookie, with the added crunch of M&M's and the added heft of a bar shape, making for a delicious treat that’s impossible to put down.
Ingredients
-
Cooking spray
- 1 1/2 c.
(320 g.) packed light brown sugar
- 1 c.
(2 sticks) unsalted butter, melted
- 2
large eggs
- 2 tsp.
pure vanilla extract
- 1/2 tsp.
baking soda
- 1/2 tsp.
kosher salt
- 2 c.
(240 g.) all-purpose flour
- 1 c.
(170 g.) semisweet chocolate chips
- 1 c.
(180 g.) M&M’s
Description
- Step 1Preheat oven to 350°. Thoroughly coat a 13"-by-9" baking dish with cooking spray. Fold a 16" sheet of parchment lengthwise to fit along bottom and sides of baking dish, leaving some overhang at the handles. Spray with cooking spray.
- Step 2In a large bowl, whisk brown sugar and butter until sugar is dissolved. Whisk in eggs one at a time until incorporated, then whisk in vanilla, baking soda, and salt.
- Step 3Using a flexible spatula, fold in flour, chips, and M&M’s until just combined.
- Step 4Transfer dough to prepared dish and smooth in an even layer.
- Step 5Bake bar until a tester inserted into the center comes out clean, 35 to 40 minutes. Let cool in baking dish 1 hour. Using parchment overhang, lift bar onto a cutting board. Slice into 12 bars.
- Step 6Make Ahead: Bars can be made 1 week ahead. Store in an airtight container at room temperature.