When this creamy sauce, inspired by Georgian bazhe, is first made, the onion flavor is intense, but it mellows overnight. More Condiment Recipes
In a food processor, puree the walnuts, yogurt and Sriracha; transfer to a bowl. Fold in the garlic and onion, season with salt and refrigerate overnight. Just before serving, garnish the sauce with the basil.
The walnut-yogurt sauce can be refrigerated for up to 5 days.