Truffled Potato Gratin
Elements:
- four cups whipping cream, divided
- two tablespoons chopped clean thyme
- 15 whole black peppercorns
- five massive garlic cloves, crushed, divided
- 5 lbs . prolonged, slender russet potatoes, peeled, minimize into 1/eight-inch-thick slices
- 3 fresh new black truffles or three one/3-ounce jars whole black truffles, sliced paper-skinny