Grieving Cowboy Casserole

I found this dish on pinterest and man am I glad I did!  I love it and it has been put into our rotation!

1 lb hamburger
1/4 onion, chopped
2 cups cheddar cheese
2 cups crushed tortilla chips
1 can rotel
1 can cream of mushroom soup
cumin, to taste
salt and pepper, to taste

Preheat oven to 350.  Brown hamburger with onion and spices.  Add soup and rotel and heat until throughly mixed.  Pour chips into an 8x8 pan.  Top with meat mix, then cheese.  Bake 10 minutes.