Slow Cooker Black Bean Tortilla Soup

For the Tortilla Soup:

• 1 medium yellow onion diced
• 3 cloves garlic minced
• 1 red bell pepper seeds removed and chopped
• 1 yellow bell pepper seeds removed and chopped
• 2 14-ounce cans black beans, rinsed and drained
• 2 14.5 ounce cans Hunt's fire roasted diced tomatoes, with juice
• 4 cups vegetable broth
• Juice of 1 lime
• 1 cup frozen corn
• 1/3 cup chopped cilantro
• 2 teaspoons ground cumin
• 2 teaspoons chili powder
• salt and black pepper to taste
• Optional garnishes: chopped fresh cilantro diced avocado, green onion, shredded cheese, sour cream or plain Greek yogurt, and tortilla strips

For the Baked Tortilla Strips:

• 8 corn tortillas
• vegetable oil
• salt