Heat the olive oil in a skillet over medium heat, then add the diced onion and cook until translucent and fragrant, about 3 minutes.
1 lb ground beef
Add the minced garlic to the skillet and cook for another 30 seconds, until it becomes fragrant.
1 lb ground beef
Add the ground beef to the skillet, breaking it apart with a wooden spoon, and cook until browned and cooked through, about 5-7 minutes. Season with salt and pepper.
1 lb ground beef
Transfer the cooked meat and onion mixture into the slow cooker.
1 lb ground beef
Add the diced tomatoes, black beans, corn, taco seasoning, and chicken broth into the slow cooker, stirring to combine everything evenly.
1 lb ground beef
Cover the slow cooker with its lid and set it to cook on low for 4 hours, allowing the flavors to meld and develop richness.
Once the cooking time is complete, give the soup a good stir, adjusting seasonings with salt and pepper as needed.
1 lb ground beef
Spoon the hot, hearty taco soup into bowls, and garnish with fresh toppings like shredded cheese, sour cream, or chopped cilantro if desired.
Serve immediately and enjoy the comforting, flavorful bowl of taco soup with a crusty slice of bread or tortilla chips on the side.
