Chicken Tortilla Soup Crock Pot

Name: Chicken Tortilla Soup Crock Pot
Prep time: 30 min
Cook time: 4 h
Total time: 4 h 30 min
Cuisine: American, Mexican
Ingredients: 3 tablespoons butter; 1 yellow onion (diced); 1 red pepper (diced); 1 yellow pepper (diced); 2 cloves garlic; 2 teaspoons salt (divided); 2 lbs boneless skinless chicken breasts (about 2-3 breasts); 2 cans chicken broth (14.5-ounce cans); 14 ounces red enchilada sauce; 2 teaspoons cumin; 1 teaspoon chili powder; 1 teaspoon oregano; 1 tablespoon taco seasoning; 1 1/2 cups half-and-half or heavy cream (if desired, for a creamier soup); 2-3 tablespoons flour or cornstarch (if desired to make a thicker soup); 1 can pinto beans (drained, optional); 1 1/2 cups frozen corn (optional, do not use canned); 1/2 cup fresh cilantro (chopped, for garnish); 1 can black beans (drained, optional)