crockpot chicken tortilla soup

Ingredients

• 1 - small onion, chopped
• 1 teaspoon garlic powder
• 1 can 14.5 ounce can of diced tomatoes
• 7 cups chicken broth
• 1 teaspoon cumin, ground
• 1 teaspoon chili powder
• 4 - bay leaves
• 4 - boneless chicken breasts, cooked, shredded
• 1 can 4 oz green chilies, chopped
• 1/2 teaspoon salt
• 1/4 teaspoon black pepper
• 1 package 10 ounce frozen corn
• 1 tablespoon cilantro, chopped
• 1 can 14.5 ounche enchilada sauce
• 1/2 - zucchini, cut into chunks
• 1/2 - yellow squash, cut into chunks
• 7 - corn tortillas
• - vegetable oil
• 1 - lime, juiced
• - cheese, shredded
• - sliced avocado (optional