Before adding tomato sauce to the jar add bottled lemon juice or citric acid to the jar. If using pint jars add 1 tbsp of bottled lemon juice or ¼ tsp of Citric Acid to the jar. If using quart ...

Jenny Huang for The New York Times This classic recipe ... can find. Christopher Simpson for The New York Times. Food Stylist: Simon Andrews. Prop Stylist: Paige Hicks. The emulsion of red tomato ...