How to make a homemade Tomato Sauce

A tasty homemade tomato sauce which is easy and very tasty
Ing:
1/2 to 2 tsp of olive oil
1/2 tsp mustard seeds
1/2 tsp cumin seeds
1/2 tsp ginger and garlic puree
1/2 to 1 tsp gharam masala
1/2 tsp onion powder
3 to 4 curry leaves
salt to taste
2 tbsp tomato paste
8 oz of tomato sauce
water (optional) to thin it out if too thick
Method:
In a pan on medium heat add the olive oil, add mustard seeds and cumin seeds, once the mustard seeds pop go ahead and add the curry leaves, lower the heat and add the ginger and garlic, let it fry for about 30 second, next add the tomato paste and fry till the color changes to a bit darker, next add the gharam masala, onion powder, tomato sauce and the salt to taste, you can also add chillies in it if you like to add some heat in there. At this time if it is too thick you can add a little water to thin it out.
Enjoy!