Soft M&M Cookie Bars

Bahan-bahan (24 porsi)

• 2 and 3/4 cups (343g) all-purpose flour (spooned and leveled)
• 1 and 1/2 teaspoons cornstarch
• 1 teaspoon baking soda
• 1/2 teaspoon salt
• 1 cup (16 Tbsp; 226g) unsalted butter, melted & cooled for just 5 minutes*
• 1 cup (200g) packed light or dark brown sugar
• 1/2 cup (100g) granulated sugar
• 2 large eggs, at room temperature
• 2 teaspoons pure vanilla extract
• 1 and 1/4 cups (about 260g) mini or regular-size M&Ms
• 3/4 cup (135) semi-sweet chocolate chips