For a thicker sauce, use an extra egg yolk. This sauce is traditionally used to finish chicken or lamb soups (e.g., Kotosoupa Avgolemono). Do not boil after adding the Avgolemono mixture, as it will curdle. Serve immediately or gently reheat.
Keyword Avgolemono, lemon egg sauce, Greek sauce, tempering, no curdling, chicken soup, traditional Greek