Roughly chop tomatoes, onion and beetroot and put these in a pressure cooker.
Add approx 1 cup (200 ml) water and boil for 2 whistles.
When cooled, blend it, along with the water in which boiled, in the blender to make the puree.
In a pan, put oil.
Add crushed garlic, oregano, chilli flakes, and basil and parsley.
Saute for 30 to 40 seconds on low flame.
Add tomato-onion puree, salt, and sugar.
Cook on high flame for 4 to 5 minutes till the water evaporates, you get the right consistency and the whole house comes to know that pizza sauce is getting ready.
Lastly, add vinegar, stir and pizza/pasta sauce is ready.
Use as required.
Spread it on Pizza base, Homemade or Store-bought