First, I sauteed the Onions and garlic, then added the chopped tomato.

我先炒过洋葱和蒜，然后加了切碎的番茄。

youdao

Chopped parsley, wheat, mint, tomato, onion with lemon sauce.

塔布利，小麦粒，薄荷，番茄，洋葱和柠檬汁。

youdao

But if you like your ragu a bit redder, I suggest adding skinned chopped fresh tomatoes, just a few, which will lend color, rather than tomato conserve, which gives off an orange glow.

WSJ: In My Kitchen: Massimo Bottura