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["Place the celery, onions and water in a medium-size saucepan over medium high heat, cover, and bring to a boil.", "Cook, stirring occasionally, till the vegetables are nearly soft, about 25 min.", "Meanwhile, cook tomatoes in a large heavy nonreactive saucepan over medium heat, partially covered, till they are very soft and almost a puree, about 25 min.", "Add in the cooked celery and onions; continue cooking till the vegetables are completely softened, about 15 min.", "Strain tomato mix in small batches through a sieve into another nonreactive saucepan, pressing down firmly to extract all of the liquid.", "Stir in the vinegar, brown sugar and spices.", "Place the pan over medium high heat and bring to a boil.", "Continue boiling, stirring often to be sure which the ketchup isn't sticking to the bottom of the pan, till the mix thickens somewhat, 15 to 20 min.", "Allow ketchup to cold, then ladle into jars.", "Cover and chill for up to 2 months.", "Or possibly ladle the boiling-warm ketchup into warm sterilized canning jars.", "Seal according to the lid manufacturer's instructions.", "Yield: 1 1/2 pints.", "Loomis writes: ""This sweet ketchup comes from Mary Linebach, who owns and runs a produce auction with her [Mennonite] husband, Paul, in Shippensburg, Pennsylvania.""