Fry pumpkin and onion until coloured and soft.
Lay potatoes on base and sides of sc.
Place pumpkin mix on top, add feta, spinach and cheddar cheese.
Mix eggs, salt and pepper, garlic and cream together and pour on top of pumpkin.
Top with Parmesan cheese, tomatoes, pepper and thyme.
Place tea towel under lid and cook on high 21/2 - 3 hrs.
After removing let cool a bit before transferring to a plate or slicing, so it will firm up a bit. (the duck eggs make it firmer)