M&M Cookie Bars 🍪 3 cups all-purpose flour 🍪 1 tsp baking soda 🍪 1 tsp salt 🍪 1 cup butter 🍪 1 cup brown sugar 🍪 ½ cup granulated sugar 🍪 2 large eggs 🍪 2 tsp vanilla extract 🍪 1⅓ cup M&Ms 🍪 1 cup chocolate chips