cooking styles. They both usually contain the traditional holy trinity of diced bell pepper, onion, and celery. Tomato gravy Tomato gravy is distinct from the term as used by Italian Americans when referring to a type of tomato sauce particularly where tomatoes were a staple food. The cooked tomatoes, some fat (usually cured pork fat) and flour are cooked together until thick, and seasoned with salt and pepper. Onions or bell peppers may be added as well. Typically, tomato gravy is served over pasta. Indian Some Indian curries have a tomato-based sauce, notably many vegetarian style dishes. See also Hot sauce Neapolitan sauce List of tomato dishes Tomate frito References External links The Cook's Decameron: A Study In Taste, Containing Over Two Hundred Recipes For Italian Dishes from Project Gutenberg. This is from a very old source, and reflects the cooking at the turn of the 20th century. Classic, authentic Italian "Sunday Gravy" Italian sauces Mother sauces Tomato products Tomato sauces