Commercial matches for Jack in the box cheddar onion buttery jack Search iSpot All Ads Brands Topics Pages Reports Playbooks Case Studies Posts Top Ad Matches (2 results) Jack in the Box Cheddar Onion Buttery Jack TV Spot, 'The Onion Whisperer' Jack in the Box Cheddar Onion Buttery Jack TV Spot, 'Whisperer' [Spanish]