Gluten Free Watercress Lemon Sauce
Bright, peppery watercress meets zingy lemon in this vibrant green sauce that comes together in minutes with nothing more than a blender. The technique is simple — blitz the greens with garlic, lemon juice, and a splash of water, then slowly stream in olive oil until the whole thing emulsifies into a silky, pourable purée. Every single ingredient here is naturally free of gluten, so there's no label-scanning or substitution stress involved. The result is a bold, herbaceous sauce that works beautifully drizzled over grilled fish, roasted vegetables, or even a simple grain bowl. A little lemon zest gives it an extra aromatic lift that makes the whole sauce feel far more complex than the ingredient list suggests. Optional parsley adds a softer herbal note if you want to round out the watercress's natural bite. Keep a jar of this in the fridge and you'll find yourself reaching for it all week long.
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Learn more →Ingredients
4 servings
- 2 cups fresh watercress, thick stems removed
- 3 tbsp fresh lemon juice (from about 1 large lemon)
- 1 tsp lemon zest
- ¼ cup extra virgin olive oil
- 2 tbsp water
- 1 small clove garlic, roughly chopped
- ¼ tsp fine sea salt, or to taste
- ⅛ tsp freshly ground black pepper
- 1 tbsp fresh flat-leaf parsley, roughly chopped (optional)
Instructions
- 1
Combine the watercress, lemon juice, lemon zest, garlic, water, salt, and black pepper in a blender or food processor. Add the parsley, if using.
- 2
Blend on high speed for 30 seconds, until the greens are fully broken down and the mixture is a uniform, bright green purée.
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