My GoTo Slow Cooker Taco Soup is Ready in a Flash

Ingredients

• 1 tablespoon olive oil
• 1 pound ground beef
• 1 medium yellow onion, chopped
• 2 cloves garlic, minced
• 1 (15-ounce) can black beans, rinsed and drained
• 1 (15-ounce) can kidney beans, rinsed and drained
• 1 (15-ounce) can pinto beans, rinsed and drained
• 1 (15-ounce) can corn, drained
• 1 (10-ounce) can diced tomatoes and green chilies (Rotel), undrained
• 1 (15-ounce) can tomato sauce
• 1 packet (1.25 ounces) taco seasoning
• 1 teaspoon chili powder
• 1/2 teaspoon cumin
• 4 cups beef broth
• Salt and black pepper to taste
• shredded cheddar cheese (optional)
• sour cream (optional)
• avocado (optional)
• chopped cilantro (optional)
• crushed tortilla chips (optional)
• lime wedges (optional)