To reduce the fat content, you can bake the chicken fillets on a baking sheet lined with parchment paper for about 10 minutes on each side in the middle of a 180 °C (350 °F) preheated oven. However, the strips will not golden brown. No buttermilk? Even if the result will not be identical, you can replace it with 250 ml (1 cup) of milk combined with 15 ml (1 tablespoon) of white vinegar or lemon juice leave that mixture standing for about 10 minutes.