How to Make Tomato Sauce Like an Italian. We suggest putting it over spiralized zucchini, but any kind of squash or root vegetables will do. Saute garlic in oil, add onions and carrots and saute on medium-low for about 2-3 minutes, until soft. Add tomatoes and chicken broth and simmer 45 minutes on low. 1. I was shocked to learn that some Sardinian’s add carrot and celery to the tomato sauce and since, so have I. Pomodoro sauce is a fresh tomato sauce that is chunkier than the typically thick, rich marinara that simmered all day on Grandma’s stove. Turnips, rainbow beets, celery root, or rutabaga all make great angel hair pasta for pomodoro. Pomodoro Sauce is a thick and flavorful Italian pasta sauce recipe made with tomatoes, onion, garlic, basil, and red pepper flakes. Serve it over pasta alongside Garlic Bread and Spinach Salad for a delicious meal! Collect Raw Ingredients: Tomatoes, carrots, celery, onions, garlic, canned tomatoes and tomato paste. An easy and delicious homemade sauce the whole family will love!