Spread the chili con carne over the bottom of the crockpot. Lay the tamales over the chili. Sprinkle in the onions. Scatter the crushed chips over the onions. Spread the cheese over the top.*
Cover and cook on low for 4 hours.
*You can add frozen corn to the crockpot if you like corn in your chili
Notes
You can stretch this meal by serving it over rice.