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This umami sauce is the secret to an incredible burger

This sauce will change how you feel about burgers

Verde Grass fed burger
Verde Farms

True Food Kitchen, a 100% seed-oil-free “better for you” restaurant, makes a killer burger—thanks to its partnership with Verde Farms. Since 2023, this restaurant chain has proudly featured Verde’s meats in a diverse range of menu items across its 46 restaurants in 18 states, such as the popular Grass-fed Burger.

This collaboration marked a significant step forward in both companies’ commitment to providing their customers high-quality, sustainably sourced ingredients. As True Food Kitchen sought a new beef supplier, they found their mission closely aligned with Verde’s; both brands share a passion for providing consumers with delicious, high-quality food that’s good for both them and the planet.

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If you’ve tried this burger in a restaurant, you know the Umami sauce makes the dish. If you haven’t had the chance to try the Umami sauce, you can now experience it right from your kitchen. True Food Kitchen has shared the secret sauce recipe with us so you can learn to create the perfect grass-fed burger at home, complete with the specialty umami secret sauce. Here’s how to transform a good burger recipe into a perfect one. Once you try this burger sauce, you won’t make a burger without it again.

Umami secret sauce recipe

Verde Farms patties on a plate
Verde Farms / Verde Farms

Ingredients

  • 1/4 cup apple cider vinegar
  • 1 cup flake nutritional yeast
  • 3/8 cup tamari (low-sodium)
  • 1 cup olive oil
  • 1/2 cup water
  • 6 cloves garlic, mashed

Method

  1. Add everything to the food processor except the oil. When the motor is running, add oil in a thin stream. Blend until creamy.
  2. Use flake yeast, not powdered, such as Red Star flake nutrition yeast. You can often find it in the bulk section at your local organic markets.
  3. Store the sauce in the fridge for up to two days. You can make the sauce ahead of time, so it’s prepared for your burgers, or make it fresh while cooking your burgers.

All about the Umami sauce

Smash burger beef.
waynewalterberry / Flickr

You can find the Umami sauce on the “Grass-Fed Burger” available at True Food Kitchen’s restaurants. Made with a Verde Farms 100% organic grass-fed burger, mushroom, caramelized onions, organic arugula, parmesan, and umami sauce. True Food Kitchen describes the Umami sauce as having a “super savory” flavor that “Creates depth in dishes and adds a rich, satisfying, and almost meaty taste that enhances overall flavor. This sauce is excellent for burgers, sandwiches, and dipping, plus it’s easy to make at home with simple, high-quality ingredients.”

While you can use the special umami sauce on any burger recipe, using a grass-fed burger can elevate the taste of your recipe. The sauce’s bold and balanced flavor enhances the rich, juicy taste of 100% grass-fed beef without overpowering it. This perfect burger sauce can easily be adapted to your flavor preferences. For example, the sauce can be spicier by adding a touch of pepper or hot sauce. Some people may also prefer to use the sauce as a marinade, allowing the beef to soak up the umami flavor before cooking. True Food Kitchen also recommends blending more olive oil into the sauce to create a thinner dressing for salads and vegetables.

Emily Caldwell
Emily is a Features Writer at The Manual, where she specializes in food, beverage, and travel content. She focuses on weaving…
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