Mature Cheddar Cheese Bake with Spanish Chorizo

mature cheddar cheese (39%) (milk), full fat soft cheese (18%) (soft cheese (milk), cornflour), crème fraiche (milk), chorizo (10%) (pork, water, salt, smoked paprika, dried skimmed milk, dextrose, antioxidant: sodium ascorbate, nutmeg, preservatives: potassium nitrate, sodium nitrate, oregano), single cream (milk), scottish mustard (water, barley malt vinegar, yellow mustard seed, sugar, salt), rice starch, garlic purée, english mustard (water, mustard flour, spirit vinegar, salt, rapeseed oil, ground turmeric), acidity regulator, sodium citrates, smoked paprika, black pepper,