Warm the chickpeas (with the liquid) in the microwave for about one minute.
*Optional* If you have extra time and you want to make hummus that is extra creamy, peel the membranes off the cooked chickpeas before you purée them.
Add chickpeas and 1/2 cup of liquid to a food processor and process for 1 minute, scraping the bowl's sides and bottom. Add tahini (start with ¼ cup tahini), cumin, garlic, lemon juice, and salt. Process for 1 minute.
Scrape the sides and bottom of the bowl, then process for 30 seconds more. Taste; add more salt, lemon juice, and tahini to your liking.
If the consistency is too thick, run the processor and slowly add a little warm water. Blend until you reach a desired smooth consistency.
Keep refrigerated and serve with pita/chips/Challah