Puree the tahini, olive oil, cumin, salt, garlic, lemon juice, and water in a blender until smooth.
Add the chickpeas and puree for another 3-4 minutes. Pause occasionally to scrape the sides. Continue until hummus is smooth. If it is too thick, slowly add more water until you reach the right consistency.
Taste and add extra seasonings if desired (salt, lemon juice, cumin, etc.)
Hummus is a great source of fiber, as well as protein, iron, magnesium, and potassium.