Parmesan & Mascarpone Sauce

Single Cream (Milk), Whole Milk, Water, Parmigiano Reggiano Cheese (Milk) (14%), Mascarpone Full Fat Soft Cheese (Milk) (5%), Onion, Cornflour, Lemon Juice, Butter (Milk), Dijon Mustard [Water, Mustard Seed, Spirit Vinegar, Salt, Mustard Husk], Salt, Roast Garlic Purée, Black Pepper, Ground Bay Leaf.