3 tablespoons butter
2 lbs russet potatoes, peeled, sliced 1/8-inch thick
1 large yellow onion, small dice
2 tablespoons minced garlic
2 tablespoons chopped fresh parsley
2 slices bacon, cooked and chopped
2 1/2 cups grated swiss cheese/fontina mix for filling
1 cups grated swiss cheese/fontina mix for the top
1/2 cup grated parmesan cheese
2 cups half-and-half
salt and pepper
1 Preheat oven to 350F and butter a 9x13 in casserole dish with 1 1/2 Tbsp butter.
2 Carmelize the onions and garlic
3 Layer the bottom of the casserole dish with 1/3 of the potato slices. Sprinkle with salt and pepper. Layer on 1/2 of the onion/garlic and 1/2 cup of the cheese mixture. Layer on 1/2 of the bacon, 1/2 of the parsley. Sprinkle with a little of the Parmesan.
4 Repeat by layering on 1/3 of the potato slices, sprinkle again with salt and pepper. Layer on the remaining onion/garlic, 1/2 cup of the cheese mixture, the remaining bacon, parsley and sprinkle with Parmesean.
5 Top with the remaining potato slices. Add the half and half. Dot the potatoes with the remaining 1 1/2 Tbsp of butter.
6 Cover with aluminum foil and bake for one hour. Remove the foil and sprinkle on the remaining Swiss and Parmesean cheese. Return to the oven for an additional 40 minutes.
7 Top with additional cheese mixture
8 When done, the potatoes should be tender and liquid mostly absorbed.