Tomato Passata
When doing a tomato sauce:
Set a frying pan with extra virgin olive oil
Add some grated onion and an unpeeled clove of garlic + black pepper + a piece of red pepper and a piece of chorizo (optional for non vegetarians)
Optional, add some chopped garlic and parsley
On the side, take a tin of tomato (any) and put it on a jug, add leaves of basil, salt, sugar and a drop of soya sauce
Blend it
Add to frying pan when onion is brownish (not burnt)
Slowly cook till thickens
enjoy