Brown onions and ground beef. Add minced garlic and stir into beef and cook for 2 more minutes or so. Add rotel, green chilis, and kidney beans. Bring to boil for 7 mins, then turn down to simmer for 1.5 hours.
I like to top it with sharp shredded cheddar and some raw diced white onion. Excellent with corn tortilla chips or your favorite cracker. Heck, put it on a hotdog.