- Set rack in bottom third of oven, and preheat oven to 400 F or 200 C.
- Coat 13 inch x 9 inch baking dish with :
 Coconut Oil, to Taste;. 
- Place :
 1/2 Large Onion, Finely Chopped; in small bowl, and strain :
 1 Can ( 13.5 Ounce ) Coconut Milk; over top.
- Let stand 10 minutes.
- Peel and slice :
 3 Pound Yukon Gold Potatoes; into 1/8 inch-thick rounds.
- Stir together :
 the Potatoes
 the Coconut Milk with Onions
 1/2 Cup Swiss Cheese, Coarsely Grated;
 1/4 Cup Fresh Basil, Chopped;
 in prepared baking dish, and season with :
 Salt, to Taste;
 Black Pepper, to Taste;.
 
- Evenly arrange potatoes to cover bottom of dish.
- Potatoes should be covered with coconut milk mixture.
- Sprinkle :
 3/4 Cup Parmesan Cheese, Grated; over top.
- Bake 35 minutes, or until top is lightly golden brown and potatoes feel tender
                when pierced with tip of paring knife.
- Cool 15 minutes before serving.