Gather all necessary ingredients, including Greek yogurt, mayonnaise, tahini, fresh lemon juice, minced garlic, salt, and chopped dill.

In a medium mixing bowl, combine Greek yogurt, tahini, and mayonnaise. Blend until smooth and creamy.

Add fresh lemon juice, minced garlic, and a pinch of salt. Stir continuously until fully incorporated.

If the sauce is too thick, gradually add water, one tablespoon at a time, until desired consistency is reached.

Fold in the chopped dill carefully, ensuring even distribution throughout the sauce.

Transfer to a serving dish, cover tightly, and refrigerate for at least 30 minutes before serving.