Seitan Fajitas with Avocado-Yogurt Sauce

Ingredients

 * ¾ cup low-sodium vegetable broth
 * 4 scallions (white and light green parts), cut into 1-inch pieces
 * 1 ripe medium avocado, chopped
 * 8 oz. nonfat plain yogurt
 * 1 jalapeno pepper, seeds removed
 * 1 tbs. fresh lime juice
 * ¾ tsp. salt
 * ¼ cup chopped cilantro
 * 4 whole wheat tortillas
 * ½ tsp. dried oregano
 * ½ lb. seitan
 * 3 tsp. olive oil
 * 2 medium onions, thinly sliced
 * 3 cloves garlic, minced
 * 2 medium red bell peppers, cut into 1-inch squares

Directions

 * 1) Cut seitan into ½-inch pieces. (you should have 1½ cups.)
 * 2) In large, nonstick skillet, heat 2 teaspoons oil over medium heat.
 * 3) Add seitan and cook, stirring occasionally, until browned, about 6 minutes.
 * 4) Remove from pan and set aside.
 * 5) Wipe out skillet.
 * 6) Heat remaining teaspoon oil over medium heat.
 * 7) Add onions and cook, stirring often, until beginning to brown, 5 to 6 minutes.
 * 8) Add garlic, red peppers and oregano and cook, stirring often, 5 minutes.
 * 9) Stir in broth and seitan and simmer until red pepper is tender, 3 minutes.
 * 10) Add scallions and salt and black pepper to taste.
 * 11) Stir 1 to 2 minutes more.
 * 12) In food processor, make sauce by combining avocado, yogurt, jalapeno, lime juice and ¾ teaspoon salt.
 * 13) Process until smooth and creamy.
 * 14) Add cilantro and pulse to combine.
 * 15) Taste for salt and add more if necessary.
 * 16) Warm tortillas briefly in heated skillet.
 * 17) Serve tortillas mounded with seitan mixture and generous dollop of avocado-yogurt sauce.