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Fermented Tomato Salsa
Wednesday, September 24, 2014

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In today’s Video, I show how to ferment a tomato salsa; making this lactoferment is a great way to celebrate and enjoy the luscious tomatoes available right now. You may not be familiar fermented salsa: but it is truly delicious and you get to reap the benefits of your labor quickly. Just 24 to 48 hours of fermentation results in a salsa with a delightfully tangy flavor and a long-lasting life. Salt (or a mixture of salt and whey) initiates the fermentation process; it inhibits the growth of undesirable bacteria long enough for the lactobacilli, the delightful microorganisms already present on plants, to be converted to lactic acid. The nutrient content of the salsa is increased; the versatile condiment turns into a healthy probiotic.

I demonstrate the two versions in the video: one made with salt, and one made with a combination of salt and whey. Fresh whey is simple to make. You place a cheesecloth-lined strainer over a bowl and add a couple cups of yogurt to the strainer. Within an hour or so, you’ll have a decent amount of liquid in the bowl: that’s the whey. You can transfer it to a covered jar and keep it stored in the refrigerator for up to six months. The longer you strain the yogurt, the more whey you’ll have and the thicker your yogurt will be. You can strain it for a few hours to produce thick, rich Greek-style yogurt, or you can strain it overnight to produce even thicker yogurt cheese. Whey gives the ferment a jumpstart, and the version with whey is usually ready within one day. Alternatively, you can leave out the whey and just add salt; you’ll still get wonderful results within two days.

For either version, start with 1 ½ pounds tomatoes, diced small. The salsa is especially vibrant with a mélange of colorful tomatoes; a quart’s worth of quartered cherry tomatoes is also suitable. Next add a couple cloves minced garlic and 1 or 2 minced jalapeños to the tomatoes. It’s also good to add something oniony: I favor a mix of red onion and scallions, about ½ cup of each. No salsa is complete without a mound of chopped cilantro, so add at least ½ cup. To this, add ¼ cup lime juice. Now it’s up to you either to add 2 teaspoons salt or 1 teaspoon salt plus ¼ cup whey.

Either way, make sure to push the salsa down into your 1-quart jar so that the liquid covers the top. Cover tightly; then leave the jar out on the counter for 1 to 2 days. Within a day or two, you’ll notice bubbles in the liquid. At that point, transfer your ferment to the refrigerator, where it will stay fresh for a few months. Use it to add zest to your meals and snacks.

 

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Photo: Tess Steinkolk

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