| 1 lb | Sweet Potatoes (about 2 large) |
| 1 lb | Russet Potatoes (about 4 medium) |
| 1 C | Grated Cheese - Jarlsberg, Cheddar, Swiss or Monteray Jack|
| 1 tsp | Thyme, fresh - finely chopped (or 1/4 tsp dried) |
| 1/2 tsp | Salt |
| Black Pepper, freshly ground | |
| 1 1/2 C | Heavy Cream |
Serves 8