Pizza Tomato Sauce

This is the recipe for the tomato sauce used for making pizza.

Ingredients
1 medium onion
2 cups canned tomato pieces
1 tablespoon tomato paste
1/4 teaspoon oregano
2 tablespoon butter
3 cloves of garlic
pepper powder as per taste
1/2 teaspoon sugar
salt for taste

Method
Chop the onion and garlic finely. Take butter in a pan and add the onion and garlic. Saute for 8-10 minutes on medium flame till the onion and garlic are well cooked the raw smell is not present. The onion should not burn or stick to the pan. Add canned tomatoes, oregano and the tomato paste. Cook for 20 minutes. Add salt, sugar and pepper as per taste. Cool the sauce before use.