In a food processor, combine the tahini with the lemon juice and process for 1 min.
Scrape the sides of the mixing bowl and process for another 30 seconds.
Add the olive oil, minced garlic, cumin and salt.
Process for 1 min scraping the sides half way through.
Add half the chickpeas to the food processor and blitz for 1 min.
Scrape the sides, add the remaining chickpeas and process for 1 to 2 mins until you obtain a thick and quite smooth paste.
Slowly add 2 to 3 tablespoons of water until the consistency is perfect.
Scrape the hummus into a bowl. Drizzle with olive oil and sprinkle with paprika and chopped parsley.