How do you make homemade tomato sauce from whole tomatoes?
You blanch them first to remove the cellulose.
You will require 15 pounds ripe tomamtoes, lemon juice, salt and jars for canning. Then bring a large Dutch oven to a boil over high heat. Fill a mixing bowl with ice and set it next to the stove. You can get more steps at http://www.thekitchn.com/how-to-make-basic-tomato-sauce-with-fresh-tomatoes-cooking-lessons-from-the-kitchn-193622.