Add chopped onion.
Add garlic and piri piri.
Sauté for a few minutes .
Add the canned tomatoes and fresh basil leaves.
Cook till the moisture from the tomatoes is gone.
Add the tomato paste.
Grind to a fine paste.
Add some more garlic and piri piri.
Add the ground paste.
Add salt and pepper.
Add some water to get a thick soup consistency .
Boil it well .
Pour into individual bowls .
Just before serving add mozzarella cheese , oregano and chilly flakes .
Bake till cheese melts .
Serve with Twisted Pizza sticks made from Pizza dough .