Stilton Cheese and Fenland Celery Pasties Serves: 6 Ingredients 2 large potatoes, peeled and diced 1 tsp English mustard powder 200g Stilton cheese, crumbled 4 sticks Fenland celery, diced 450g ready-made puff pastry 1 free-range egg, beaten with 1 tbsp milk Salt and pepper to taste Instructions Pre-heat oven to 200C/Gas 6. Grease and