"These are the best M&M Cookies I've ever had. They're soft, moist, and tender in the interior with perfectly chewy edges. The dough is buttery, with hints of vanilla. There's an abundance of M&Ms in every bite. I tweaked my favorite Chocolate Chip Cookie Recipe and added M&Ms.Cornstarch is the secret ingredient that keeps them extra soft.The dough can be made in advance, refrigerated, and baked off as desired, up to 5 days later. A great option to have for fresh, warm cookies without having to mix up dough...."