In a bowl, mix the minced beef with the cold sweated onion and ... Meanwhile, make the tomato sauce. Heat the oil in a stainless steel saucepan. Add the sliced onion and the crushed garlic ...
Add the tomatoes, basil, bay leaf, tomato purée, water, salt and freshly ground black pepper ... You can blend this sauce with a handheld stick blender (removing the bay leaf first!) ...