What you need:
ground beef (or turkey or chicken)
1 can of corn (or some frozen corn)
1 can of kidney beans
1 can of pinto beans
2 packets of taco seasoning
1 can of diced tomatoes
Brown your meat and drain it.
Toss everything except your cheese in your crockpot (drain all can of liquid except 1 of the beans).
Cook on low for 8 hours. Dish out and top with cheese.
We ate ours with some tortilla chips. :)