“Tuna” Sandwich Published October 7, 2012 at 300 × 228 in Vegetarian dining can be big challenge for travelers far from familiar restaurants Chickpeas create the “tuna” on this sandwich and soy cheese makes it vegan friendly as well (Photo by Chelsea Pillsbury). Chickpeas create the “tuna” on this sandwich and soy cheese makes it vegan friendly as well (Photo by Chelsea Pillsbury).