3/4 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
3/4 tsp. salt
1/4 cup chopped cilantro
4 whole wheat tortillas
1/2 tsp. dried oregano
1/2 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