Sweet Potatoes au Gratin
This rich, sweet potato casserole couldn't be any easier to make—or more delicious to eat! —Patti Kirchhoff, Lake Geneva, Wisconsin
Ingredients
- 2 large uncooked sweet potatoes, peeled and sliced 1/4 inch thick
- 1 large egg
- 2 cups heavy whipping cream
- 3/4 teaspoon salt
- 1/8 teaspoon ground nutmeg
- Pinch pepper
- 3 tablespoons grated Parmesan cheese
- Minced fresh thyme, optional
