How many servings does this recipe make?

This recipe makes 4 servings. You can adjust the portion size directly on this page.

What ingredients do I need for Tomato Ketchup From 'Mastering Fermentation'?

You need 6 ingredients. The key ingredients include: 3 cups canned or homemade tomato paste, 2 teaspoons unrefined fine sea salt, 1/4 cup, 1/2 cup raw, unfiltered apple cider vinegar, and more.

Is Tomato Ketchup From 'Mastering Fermentation' suitable as general?

Yes, Tomato Ketchup From 'Mastering Fermentation' falls under the General category and is a great choice for this type of meal.

How do I store leftover Tomato Ketchup From 'Mastering Fermentation'?

Store leftovers in an airtight container in the refrigerator for up to 3–4 days. Reheat gently before serving.

Tomato Ketchup From 'Mastering Fermentation' Recipe

Name: Tomato Ketchup From 'Mastering Fermentation'
Prep time: 15 min
Cook time: 30 min
Total time: 45 min
Yield: 4 servings
Ingredients: 3 cups canned or homemade tomato paste; 2 teaspoons unrefined fine sea salt; 1/4 cup; 1/2 cup raw, unfiltered apple cider vinegar; 6 tablespoons robust flavored raw, unfiltered honey such as clover, or organic amber maple syrup; 1/4 cup basic whey (from yogurt), water kefir, or vegetable brine (such as from sauerkraut), as fermenting agent

Try this homemade Tomato Ketchup From 'Mastering Fermentation' recipe the whole family will love. Made with salt, apple cider vinegar, robust and basic …

This Tomato Ketchup From 'Mastering Fermentation' relies on simple, everyday ingredients such as unrefined fine sea salt and cup. It comes together quickly and makes 4 servings, at about 97 kcal each. The step-by-step instructions below are written to be easy to follow, even on a busy day.

It's versatile enough for an easy weeknight dinner yet satisfying enough for guests at the weekend. Serve it with your favorite sides, and keep any leftovers for a quick meal the next day.

Updated Jun 30, 2026

Serves 4 General

Servings: persons

3 cups canned or homemade tomato paste
2 teaspoons unrefined fine sea salt
1/4 cup
1/2 cup raw, unfiltered apple cider vinegar
6 tablespoons robust flavored raw, unfiltered honey such as clover, or organic amber maple syrup
1/4 cup basic whey (from yogurt), water kefir, or vegetable brine (such as from sauerkraut), as fermenting agent

Frequently Asked Questions

Quick Info

Servings
4 servings
Calories
97 kcal
Category
General

Eats Now Editorial Team

Recipe developed & tested in-house

Passionate cooks who develop and test new recipes every day – from quick weeknight dinners to special occasion feasts.

Reviewed by the Eats Now Kitchen Team

More about our team →

Tomato Ketchup From 'Mastering Fermentation'

Tips for the best results

Variations & substitutions

My Personal Notes

How did you like this recipe?

Frequently Asked Questions