1/2 red onion, quartered
2 celery stalks, chopped
1 cup mushrooms, such as cremini or white button
1 cup spinach leaves
1 can (15 ounces) black beans, rinsed and drained
1/2 cup chunky salsa
1/4 cup rolled oats
2 egg whites
1/2 teaspoon salt
1/4 teaspoon freshly ground black pepper
1 tablespoon corn oil
2 whole wheat pitas, halved and warmed
1. Place the garlic in a food processor, and pulse until chopped. Add the onion, celery, mushrooms, spinach, beans, and salsa, and pulse until a chunky mixture forms, 2 to 3 pulses.
2. Add the oats, egg whites, salt, and pepper, pulsing once or twice, until mixed.Form the mixture into 4 equal patties.
3. Heat the oil in a large skillet over medium heat. Add the patties, and cook 4 to 5 minutes per side, until the burgers are lightly browned and warmed through.
4. Slide each burger into a half pita. ENJOY!!