Add the browned ground beef, taco seasoning, garlic salt, salt, pepper, onion, corn, black beans, kidney beans, crushed tomatoes, and beef broth to a slow cooker.
Cover and cook on low for 4–5 hours or on high for 2–2½ hours.
Just before serving, stir in the cooked rice. Cover and cook for 2–4 minutes, until the rice is warmed through.
Serve with your favorite toppings.
Video
Notes
*This soup recipe is a thicker soup. If you prefer a thiner soup, I recommend adding 1 more cup of beef broth to this recipe. *Refrigerate the leftovers in an air tight container for up to 5-7 days.