For easy blending, bring the tahini paste to room temperature or warm it slightly in the microwave before adding the lemon juice; don't worry when it seizes up. Adding the water gives the sauce a creamy texture.
More Terrific Condiments
1 medium onion, thinly sliced
1 tablespoon ground cumin
1 teaspoon freshly ground pepper
1/4 cup plus 1 tablespoon fresh lemon juice
1/2 cup tahini paste, at room temperature
1/4 cup water
Nigella seeds, for garnish (optional)
How to Make It
In a medium bowl, toss the onion with the cumin and pepper.
In a small bowl, using a whisk, work the lemon juice into the tahini. Gradually whisk in the water until smooth. Season with salt. Stir the sauce into the onion, then stir well and garnish with nigella seeds.
The sauce can be refrigerated overnight. Bring to room temperature before serving.