I think it's better with

blanched
https://www.goodreads.com/book/show/37198.Onions_in_the_Stew

whole
https://www.goodreads.com/book/show/37200.Anybody_Can_Do_Anything

tomatoes
https://www.buzzfeed.com/jesseszewczyk/marcella-hazan-three-ingredient-tomato-sauce-review

and I do peel the tomatoes but I eat the onion.