Question: how many calories in a zinger stacker burger?
Answer: The Zinger Stacker ups the ante with two Zinger fillets, two slices of melted cheese, lettuce, spicy “supercharged” sauce and chilli relish. According to KFC's nutritional data, a single Zinger Stacker contains 2993kJ of energy, 25.9g of fat, 57.3g of carbohydrates, 12.4g of sugars and 2257mg of sodium.