
Bright, peppery watercress meets fresh lemon in this vibrant blender sauce that comes together in just a few minutes. It's the kind of thing that instantly elevates grilled fish, roasted vegetables, or a simple grain bowl without any fuss. Watercress is a powerhouse leafy green packed with nutrients that are especially valuable when your body is working hard to nourish a little one, and it shines here as the star ingredient rather than an afterthought. The emulsification technique — streaming olive oil into the blender while it runs — gives the sauce a silky, cohesive texture that clings beautifully to whatever you drizzle it over. Everything in this recipe is whole and recognizable: fresh greens, real lemon, a single clove of garlic, good olive oil. There are no processed additives or hidden ingredients to second-guess, which makes it a genuinely easy choice when you're being mindful about what goes into your body. A quick taste and adjust at the end means you can dial the brightness or seasoning exactly to your liking.
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flat-leaf parsley
Combine the watercress, lemon juice, lemon zest, garlic, water, salt, and black pepper in a blender or food processor. Add the parsley, if using.
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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