"The cookies are pillowy soft in the center, chewy around the edges, and Nutella keeps them super soft and moist. They're rich, decadent, dense, and perfectly thick. Make sure to chill your dough so your cookies bake up into thick, beautiful, bakery-style cookies. Cornstarch add softness that you're going to love and between the Nutella and cornstarch they stay soft for days; don't overbake...."