Take a sauce pan or wok. Add 2-3 tbsp extra virgin olive oil. Put it on lowest heat. add 1/2 tbsp chilli flakes. roast it for few seconds. add 1 tsp oregano, 1 tsp basil(optional). Roast it.

Add 15-16 garlic cloves as it is. add diced onion. add 1 tsp black pepper powder.add kashmiri red chilli powder. cook onion for few seconds. Remove head of tomatoes, cut them into half. Put them in pan so that cut portion of tomatoes touches pan surface.add some salt.

Once texture is saucy and mashy..let it cool. put the sauce in blender and blend it. add some oregano seasoning and mix well. adjust taste of salt according to your taste. Sauce is ready. Use it as pizza sauce or pasta sauce.