Drain chickpeas in a colander or sieve. Rinse well and drain again.

Peel garlic clove. With the motor of a food processor running, drop the garlic through the feed chute and let process until minced.

Add the drained chickpeas, lemon juice, tahini, olive oil, salt, cumin, and water. Process for 1 minute.

Scrape down the sides and bottom of the bowl, close the lid, and continue to process until smooth.

Transfer hummus to a bowl. Drizzle with a little more olive oil and sprinkle with ground paprika or ground sumac if desired.