Breaded Doritos Chicken Fingers - 4 boneless skinless chicken breasts 1 large bag of Doritos, nacho flavor (or flavour of choice), 2 cups buttermilk, 2 cups flour, 4 eggs. Marinate sliced boneless chicken breasts in buttermilk for 2 hours. Dip in flour. Dip in egg wash. Di[ in crushed Doritos. Bake in a 400F for 15-20 minutes. Yum!!!