picked this up a few years ago on tinternet been using variations of it ever since .
have noticed on here that most sauces call for the spices to be added 5 mins or so before the end is there any benefit to this as i have always added mine at the beginning.
Base Curry Sauce
Ingredients
6 tablespoons sunflower oil
3 large onions
1 pepper green or red
2 carrots
couple of small potatoes
4-6 cluves of garlic minced
1 tbsp minced Ginger
1 tsp kashmiri chillie
1.5 tsp turmeric powder
1 tsp smoked paprika
1 tsp ground cumin
1 tsp ground coriander
pinch of fenugreek leaves
3 tsp tomato puree
Water - 2 pints ish
Method
On medium, heat the oil in a pan then add the chopped onions and spices and stir for a few minutes.
Add the ginger and garlic Stir for a couple of minutes.
add carrots pepper and potatoes and half the water bring to boil then cook on low for about 30-40 mins till soft
Remove from the heat.and let cool add tomato puree and water.
Blend to the consistency of tomato ketchup add more water till it looks right. Ensure it is completely smooth.
Bring to the boil and cook the blended mixture on a very low heat for 30 minutes, stirring occasionally. It will turn orangey brown.