I got a video showing the preparation of the curry gravy
I've written it down
Here it is:-
Base Sauce
2 ? lbs onions
1 bulb garlic
1 desertspoon salt
2 oz fresh ginger
2 tablespoon veg oil
2 ? pints water
Chop onions
Blend ginger and garlic with ? cup of the water
Put it all in a pot with the oil, salt and rest of the water
Bring to the boil then simmer for 40 minutes with the lid on
Stir occasionally
When cooled, blend
Take 2 cups aside for precooking chicken
1 small tin tomatoes blended
1 cup of vegetable oil
1 tablespoon tomato puree
1 desert spoon paprika
1 tablespoon turmeric
1 tablespoon ground black pepper
1 desertspoon garam masala
Put the blended tomatoes, oil, turmeric and tomato puree into a pan and bring to the boil
Add the pepper, paprika and garam masala, simmer 20 minutes
Remove any froth