Chicken steak is washed and dried. Prepare a marinade of grated peel of lemon, orange, grapefruit, parsley, 1 tsp salt, 1 tsp sugar and 50 ml vodka. Oval steaks very well in this mixture, place in pan, turn fsunflower with oil and put in the fridge for 24 hours. Then washed with cold water and dried. Spread with sunflower oil and bake on grill pan until ready. Sauce: In a saucepan mix juice of half a lemon, orange, grapefruit and remaining sugar. Put on low heat and cook about 10 minutes. Then add the other half of the fruit citrus fruits and withdrew from the heat. Steaks are arranged in portion bowl, sprinkled with optional sauce and garnished with lettuce.