You might need to buy:
- ranch salad dressing mix
- cumin
- chili powder
- guacamole for topping
http://thepioneerwoman.com/cooking/2011/03/sour-cream-noodle-bake/
You might need to buy:
- Ground Chuck
- Tomato Sauce
- Salt
- Freshly Ground Black Pepper
- Sour Cream
- Small Curd Cottage Cheese
- Grated Sharp Cheddar Cheese