Sweet Potato Gratins

Ingredients

• 1 tablespoon unsalted butter, at room temperature
• 2 large sweet potatoes, peeled and thinly sliced (use a sharp knife, a mandoline, or a food processor with the slicing disc attached)
• 1/2 large Idaho potato, peeled and thinly sliced
• 1 cup heavy cream
• 1 pinch ground nutmeg
• 1 pinch freshly ground black pepper
• Kosher salt to taste
• 3 ounces Gruyère, grated (about 1 cup)

Personal Tags 

Save Tag

Recipe Notes 

Save Notes