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