She explained: "I did a really simple tomato sauce, I did one really big onion and I sweated that down with butter and olive oil, so it was really caramelised and golden and really sweet.
It was also loose and pourable, had a nice savory-tomato flavor, and would work great for a simple dish. But overall, Rao's has much more exciting options. The Italian-sausage-and-mushroom sauce ...