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Publication #FCS8194

Selecting, Preparing, and Canning: Tomato Ketchup1

United States Department of Agriculture, Extension Service2
Tomato Ketchup
24 lbs ripe tomatoes
3 cups chopped onions
3/4 tsp ground red pepper (cayenne)
3 cups cider vinegar (5 percent)
4 tsp whole cloves
3 sticks cinnamon, crushed
1-1/2 tsp whole allspice
3 tbsp celery seeds
1-1/2 cups sugar
1/4 cup salt

Yield: 6 to 7 pints

Procedure: Wash tomatoes. Dip in boiling water for 30 to 60 seconds or until skins split. Dip in cold water. Slip off skins and remove cores. Quarter tomatoes into 4-gallon stock pot or a large kettle. Add onions and red pepper. Bring to boil and simmer 20 minutes, uncovered. Combine spices in a spice bag and add to vinegar in a 2-quart saucepan. Bring to boil. Turn off heat and let stand until tomato mixture has been cooked 20 minutes. Then, remove spice bag and combine vinegar and tomato mixture. Boil about 30 minutes. Put boiled mixture through a food mill or sieve. Return to pot. Add sugar and salt, boil gently, and stir frequently until volume is reduced by one-half or until mixture rounds up on spoon without separation. Fill pint jars, leaving 1/8-inch headspace. Adjust lids and process according to the recommendations in Table 1.

Tables

Table 1. 
Table 1. Recommended process time for Tomato Ketchup in a boiling-water canner.
Process Time at Altitudes of
Style of Pack Jar Size

0-

1,000 ft

1,001-

6,000 ft

Above

6,000 ft
Hot Pints 15 min 20 25

*After the process is complete, turn off the heat and remove the canner lid. Wait five minutes before removing jars.

Footnotes

1.

This document is FCS 8194, a series of the Department of Family, Youth and Community Sciences, Florida Cooperative Extension Service, Institute of Food and Agricultural Sciences, University of Florida. Publication date: May 2003. Reviewed: June 2008. This document was extracted from the Complete Guide to Home Canning, Agriculture Information Bulletin No. 539, USDA. It was originally published on CD-ROM as part of HE 8149, Guide 3: Selecting, Preparing, and Canning Tomatoes and Tomato Products. Please visit the EDIS Web site at http://edis.ifas.ufl.edu

2.

Reviewed for use in Florida by Amy Simonne, assistant professor, Food Safety and Quality, Department of Family, Youth and Community Sciences, Cooperative Extension Service, Institute of Food and Agricultural Sciences, University of Florida, Gainesville FL 32611.

The Institute of Food and Agricultural Sciences (IFAS) is an Equal Opportunity Institution authorized to provide research, educational information and other services only to individuals and institutions that function with non-discrimination with respect to race, creed, color, religion, age, disability, sex, sexual orientation, marital status, national origin, political opinions or affiliations. For more information on obtaining other extension publications, contact your county Cooperative Extension service.

U.S. Department of Agriculture, Cooperative Extension Service, University of Florida, IFAS, Florida A. & M. University Cooperative Extension Program, and Boards of County Commissioners Cooperating. Millie Ferrer-Chancy, Interim Dean.