2 Make sauce
Meanwhile, peel and chop the onion and garlic. Heat oil in a large pan over medium-high heat. Fry the onion with a pinch of salt for 5 min until translucent. Add the garlic and tomato paste, and cook for 1-2 min. Add the tomato passata, cooking cream, crumbled stock cube and dried basil. Bring to a simmer.