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a jar filled with a keto herb dressing made with red onion, vinegar and leftover fresh herbs

Easy Healthy Fresh Herb Dressing - Naturally Keto!

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This Easy Healthy Fresh Herb Dressing will take any ordinary dish to the next level! Packed with flavour and filled with nutrients, this keto herb vinaigrette is the perfect way to use up all those herbs in your garden.

  • Total Time: 5 minutes
  • Yield: 300 ml 1x


Units Scale
  • 2 cups fresh herbs, leaves only except for cilantro, if using
  • 1/4-1/2 small sweet red onion (or sweet onion)
  • 1/4 cup vinegar (red, apple cider, rice, etc...)
  • 3-4 garlic cloves
  • 1/2 tsp salt
  • 1/4 tsp red pepper flakes
  • 1/4 cup extra virgin light olive oil
  • salt and pepper to taste
  • OPTIONAL - add 2-4 tbsp of water or additional olive oil for desired consistency or a pinch of sweetener for a sweeter herb sauce.


  1. In the bowl of a food processor, add the onion, vinegar, garlic, salt and red pepper flakes.  Pulse until the onion has been broken down into small pieces.
  2. Add the herbs to the food processor bowl and process until herbs have broken down slightly, 5-10 pulses.
  3. With food processor running, slowly drizzle in the olive oil until incorporated.  Taste the herb sauce and add additional salt and pepper to taste.


  • See post for stick/immersion blender instructions
  • If you want a thinner sauce, add additional water or olive oil
  • If you want a slightly sweeter sauce, add a pinch of allulose or sugar-free honey
  • Author: Cat
  • Prep Time: 5 minutes
  • Cook Time: 0 Minutes
  • Category: Sauces
  • Method: No-Bake
  • Cuisine: American, Keto, Low Carb
  • Diet: Gluten Free


  • Serving Size: 1 tbsp (15 ml)
  • Calories: 26
  • Sugar: 0.1
  • Fat: 2.8
  • Carbohydrates: 0.3
  • Fiber: 0.1
  • Protein: 0.1
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