Sauté the chopped onion to soften in hot olive oil.
Add crushed garlic, chopped tomatoes, tomato puree, Vegeta Natur, strained and rinsed capers, and sliced olives.
Sauté the sauce for 10 minutes, then stir in sardines cut into pieces.
If necessary, add salt, pepper and sprinkle with parsley.
Serve poured over cooked pasta and sprinkle with chopped basil.
You can also serve the prepared Mediterranean sauce with boiled rice.