Chicken Tortilla with greens

1 tablespoon vegetable oil 2 cups yellow onions , chopped 3 garlic cloves , minced 3 (15 ounce) cans tomato sauce 1 3/4 cups chicken broth , rich or 1 3/4[...]

1 cup onion , chopped 2 teaspoons garlic cloves , chopped 2 tablespoons olive oil 1 lb chicken breast , skinless, boneless, chopped 4 ounces green chilies ,[...]

3 boneless skinless chicken breasts , cooked and shredded* 1 medium yellow onion , chopped 2 garlic cloves , chopped 3 green onions , chopped 2 (14 1/4 ounce)[...]