Mashed Potatoes au Gratin | Pommes Mont d’Or
This traditional French dish features leftover or prepared mashed potatoes combined with eggs and cheese creating a divine light and fluffy soufflé-like dish with a crispy golden brown crusty top. So quick to prepare too!
Equipment
- gratin dish or small casserole dish
- whisk or immersion blender
- medium bowl
Ingredients
- butter
- 6 cups mashed potatoes
- 4 large eggs
- 1-⅓ cups grated Gruyere, Swiss or Comte about 6 ounces, divided
- ½ teaspoon salt
- fresh ground black pepper
- 1 pinch fresh grated nutmeg
Instructions
- Butter a shallow baking dish or casserole.
- Preheat the oven to 400F. Set oven rack to lower middle position.
- Butter a shallow gratin dish or baking dish. Whisk the eggs in a medium bowl. (Use an immersion blender if desired.) Add the potatoes and one cup of the grated cheese, salt, pepper and nutmeg. Stir to to combine.
- Transfer potato mixture to the prepared dish, smoothing top. Sprinkle remaining cheese evenly over the top and place in oven.
- Bake until the gratin is puffed and the top is golden, about 30 to 35 minutes,
- Serves 6.