Fish And Chip Shop Curry Sauce - cooking recipe

Ingredients

1 onion
1 apple, peeled
1 tablespoon curry powder
2 tablespoons oil
2 tablespoons flour
20 ounces water
1 tablespoon tomato puree or 1 tablespoon tomato paste
pepper
lemon juice

Preparation

Chop the onion and apple and fry with the curry powder in the oil until tender.
Stir in the flour, cook for 2 minutes and then remove from the heat and add the water, tomato puree, pepper and lemon juice to taste.
Simmer for 15 minutes.
Store refrigerated.