Tomato Ketchup by 
Elethia
Source: Reader's Digest I Love Tomatoes
Ingredients
4 quarts ripe tomatoes (about 24), peeled, cored, and chopped
1 large onion, chopped
1 large sweet red pepper, chopped
1 1/2 teaspoons celery seed
1 teaspoon mustard seed
1 teaspoon whole allspice
1 stick cinnamon
1 cup sugar
1 tablespoon salt
1 1/2 cups vinegar
1 tablespoon paprika
4         
quarts ripe tomatoes (about 24), peeled, cored, and chopped
1         
large onion, chopped
1         
large sweet red pepper, chopped
1         
1/2 teaspoons celery seed
1         
teaspoon mustard seed
1         
teaspoon whole allspice
1         
stick cinnamon
1 cup        
sugar
1         
tablespoon salt
1         
1/2 cups vinegar
1         
tablespoon paprika
Instructions
1. In a nonreactive saucepan, cook tomatoes, onion, and pepper over medium heat until soft. Press through a food mill or sieve.
2. Return to pan and cook rapidly until think (volume is reduced by half), about 1 hour.
3. Tie whole spices in a cheesecloth bag and add with sugar and salt to tomato mixture. Cook gently about 25 minutes, stirring frequently.
4. Add vinegar and paprika; cook until thick. Stir frequently to prevent sticking
5. Ladle mixture into hot, sterilized jars, leaving 1/8 inch head space. Cool and keep in refrigerator.