Chicken with leeks in white wine sauce

Cooked Marinated Chicken (48%) [Chicken Breast, Cornflour, Black Pepper], Single Cream (Milk), Whole Milk, Leek (6%), Water, Onion, Smoked Bacon [Pork, Water, Salt, Preservative (Sodium Nitrite), Antioxidant (Sodium Ascorbate)], Medium Cheddar Cheese (Milk), Sauvignon Blanc (2%), Cornflour, Wheat Flour [Wheat Flour, Calcium Carbonate, Iron, Niacin, Thiamin), Salt, Mustard Seed, Chicken Extract, Pork Gelatine, Chicken Fat, Black Mustard Seed, Spirit Vinegar, Vegetable Juice Concentrates [Carrot, Mushroom, Onion], Parsley, White Wine Vinegar, Sugar, Black Pepper, Honey, Flavouring, Tarragon.