Directions Heat the oil in a frying pan, then add the onion and garlic and cook for 5 mins. Tip in tomatoes and passata, and simmer for 5-10 mins or until the tomatoes are soft. Remove from the heat, stir in the basil, season, then allow to cool.
Put the flour into a bowl. Make a well in the centre, add the olive oil then add 6-7 tbsp warm water or enough to make a soft dough. Tip the dough onto a lightly floured surface and roll out to fit a 22cm frying pan or make 2 small ones. Heat a glug of olive oil in the frying pan, then press the dough into the pan and cook over a medium heat for 8-10 mins or until the base is golden.
Heat grill to hot. Spread the pizza base with the tomato sauce, scatter on the cheese and grill until it has melted and the base is golden at the edges. Serve immediately.