Kfc's secret roast chicken leg rice with spicy meat sauce has 480 calories, including one roast chicken leg, two fried eggs, one small vegetable and one white rice. The high-calorie chicken leg is roasted. It is made of brand-owned pickling materials, refrigerated for 8 hours, and then baked in a 200-degree oven for 20 minutes. The taste is crisp and delicious.