Green Tomato Ketchup


One bite of this Green Tomato Ketchup recipe is all the proof you need that it's well worth it to make your own condiments! Try this green ketchup with fried potatoes or chicken strips.

Prep Time:
30 mins
Cook Time:
30 mins
Stand Time:
4 hrs
Total Time:
5 hrs
4 cups


  • 2 pound green (unripe) tomatoes, chopped (5 cups)

  • 2 cup coarsely chopped onions

  • 1 cup chopped fennel

  • ½ cup loosely packed celery leaf sprigs

  • 3 tablespoon pickling salt

  • 1 cup white vinegar

  • cup sugar

  • ¼ cup snipped fresh basil

  • 2 cloves garlic, minced

  • ¼ teaspoon ground coriander

  • ¼ teaspoon ground ginger

  • teaspoon ground cinnamon

  • Dash ground cloves

  • ½ cup liquid whey*


  1. In a large nonreactive bowl combine the first five ingredients (through salt). Cover and chill overnight.

  2. Drain tomato mixture in a large colander. Rinse well with cool water to remove excess salt. Transfer tomato mixture to a 4-quart stainless-steel, enamel, or nonstick pot. Stir in the next eight ingredients (through cloves). Bring to boiling; reduce heat. Simmer, uncovered, 30 minutes or until vegetables are soft and most of the liquid is evaporated. Cool slightly. Transfer mixture, half at a time, to a food processor. Cover and process until nearly smooth.

  3. Divide ketchup between two clean 1-quart canning jars. Cool to room temperature. Stir 1/4 cup whey into each jar. Cover jars with paper towels and secure with a rubber band. Let ketchup stand at room temperature for 4 hours. Chill 6 to 8 days or until bubbly before using. Store, covered, in the refrigerator up to 2 months.


For liquid whey, place 1 1/2 cups plain yogurt (do not use Greek yogurt or yogurt that contains gelatin) in a fine-mesh sieve lined with 100%-cotton cheesecloth or a coffee filter. Place the sieve over a small bowl. Cover and chill 24 hours to drain. The liquid that collects in the bowl is whey. Save yogurt to serve as a dip or with desserts. (Or purchase liquid whey from a health food store.)

Nutrition Facts (per serving)

16 Calories
4g Carbs
Nutrition Facts
Servings Per Recipe 64
Calories 16
% Daily Value *
Sodium 170mg 7%
Total Carbohydrate 4g 1%
Total Sugars 3g
Vitamin C 4.6mg 23%
Calcium 6mg 0%
Iron 0.2mg 1%
Potassium 49mg 1%
Folate, total 3.5mcg

*The % Daily Value (DV) tells you how much a nutrient in a food serving contributes to a daily diet. 2,000 calories a day is used for general nutrition advice.

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