In a mixing bowl, combine tahini and water.
Whisk together until smooth and creamy.
Add olive oil and continue whisking.
Squeeze in the lemon juice.
Incorporate the minced garlic.
Sprinkle in ground cumin.
Season with salt to taste.
Adjust consistency with more water if desired.
Taste and adjust seasoning as needed.
Serve drizzled over dishes or as a dip.