Juice lemon, and add to food processor along with tahini. Process for 1 minute and scrape down sides as necessary.
Add extra virgin olive oil, garlic, cumin powder and salt, and process until blended.
Add chickpeas and process for 1-2 minutes or until smooth.
With the food processor running, slowly drizzle 1-2 tbsp water until you reach desired consistency.
Taste and add more salt if needed.
Serve with a drizzle of extra virgin olive oil.