Au Gratin Potatoes

[provisions]

4
baking potatoes
peeled and thinly sliced
2
small fennel bulbs
white parts only, thinly sliced
2
onions
thinly sliced
2
cups
Gruyere cheese
grated, divided
2
cups
heavy cream
2
tablespoons
olive oil
1/2
teaspoon
nutmeg
1
teaspoon
salt
1
teaspoon
finely ground black pepper
[process]: 

 In a large pan, over medium low heat, sauté onion and fennel in olive oil for approximately 15 minutes. Remove and toss with sliced potatoes, salt, pepper, nutmeg, heavy cream and 1 C Gruyere cheese. Pour into a greased casserole dish and sprinkle remaining cheese on top. Bake at 350 degrees for about 1 ½ hours.