8 quarts (950 ml) ripe tomatoes
½ cup (120 g) white granulated sugar
2 tablespoons dry mustard
1 tablespoon ground allspice
2 cups cider vinegar
3 tablespoons salt
1 tablespoon black pepper
1 teaspoon ground cloves
Scald tomatoes, and press through a coarse sieve to remove seeds and skins. Let cool.
Measure out 1 gallon (3.8 litres) of tomato pulp, and combine with the remaining ingredients. Let simmer slowly for 3 hours.
3 hours
Pour hot ketchup into hot sterilized 1-pint jars and seal. Process for 15 minutes in boiling water bath.
15 minutes