Dude Diet Enchiladas

Name: Dude Diet Enchiladas
Cuisine: American, Mexican, Latin American
Ingredients: 2 boneless Chicken Breast; 2 cups Chicken Broth; 1 1/2 tablespoons olive oil; 1/2 yellow onion, finely chopped; 1 red bell pepper, seeded and diced; 1 garlic clove, minced; 2 packed cups baby spinach; 1 chipotle pepper canned in adobo sauce, finely chopped; 1 tablespoon adobo sauce from the can; 3/4 cup canned black beans, drained and rinsed; 3/4 cup sweet corn kernels; 8 medium tortillas; 1 cup grated cheddar cheese; 15 ounce can tomato sauce; 1 1/2 cups chicken broth; 1 tablespoon hot sauce (optional); 1 tablespoon mexican chili powder; 1/2 teaspooon ground cumin; 1/4 teaspoon garlic powder; kosher salt; sour cream; avocado or guacamole; 3 scallions; 1/4 cup fresh cilantro chopped