Peel the garlic, red onion, and carrots. Chop the onion and carrot in rough chunks. Add the garlic, carrot and onion to the food processor and pulse several times until finely chopped. Add the cilantro to the processor and pulse a few more times until chopped.
Assemble the burgers on lightly toasted english muffins or pita breads with a generous spoonful of yogurt sauce and desired fixings.