Canning Crushed Tomatoes: Step-by-Step Recipe with Processing Times
TL;DR: Canning crushed tomatoes is safe in a boiling-water canner when you add bottled lemon juice (or citric acid) to every jar and process at USDA-verified times: 35 minutes for pints, 45 minutes for quarts at 0–1,000 feet (NCHFP/UGA, 2015). Add 5 minutes for 1,001–3,000 ft, 10 minutes for 3,001–6,000 ft, and 15 minutes above…
