Begin with Beef: In a skillet, sauté the beef with chopped onions. Season with minimal salt and pepper. Once done, ensure to discard the surplus fat.
Transfer: Move the beef-onion mixture to your crock pot.
Add Ingredients: Introduce the Rotel tomatoes, corn, pinto beans, beef broth, and fresh water into the pot.
Season Well: Thoroughly blend in the taco and ranch seasonings.
Slow Cook: Seal your pot and let it simmer on a low setting for around 6 to 8 hours.
Serve with Flair: Once ready, ladle into bowls and sprinkle with your preferred toppings.