2 cups heavy cream
1 teaspoon salt
1/2 teaspoon freshly ground nutmeg
about 2 lbs. potatoes, peeled and thinly sliced
2 medium parsnips, peeled, trimmed, and thinly sliced
1 large shallot, thinly sliced (or 1/2 cup onion, thinly sliced)
1 medium celeriac, peeled, halved, and thinly sliced
8 ounces cheese, coarsely shredded
1. Preheat oven to 325°. In a small saucepan, bring cream, salt, and nutmeg to a simmer. Remove from heat and set aside.