Hearty Crock Pot Chicken Tortilla Soup

INGREDIENTS

• 1 pound chicken breasts
• salt and pepper
• 1 medium onion, diced
• 2 cloves garlic, minced
• 15 ounce can chicken broth
• 1 cup water
• 15 ounce can corn, undrained
• 15 ounce can diced tomatoes and green chiles (Rotel), undrained
• 11 ounce can enchilada sauce
• 1 packet taco seasoning
• ½ teaspoon chili powder
• shredded cheese and crunchy tortilla strips (for toppings)