Classic Potatoes Au Gratin

Classic Potatoes Au Gratin…who doesn’t love ’em?  This dish is perfection and is especially good for those wonderful holiday feasts.  A mandoline will ensure uniformly, thinly sliced potatoes, the key to making a perfect, tender potato au gratin.  But don’t worry, a sharp knife and a steady hand can work, too.  When working with a manoline, be sure to use the potato ‘gripper’ as the potato gets about half-way down…this will keep your hands and knuckles safe from the sharp blade!
potatoes and mandoline 
The mandonline makes the potatoes, for your Potato Au Gratin, nice an thin!
sliced mandoline
You can also use a variety of your favorite melting cheeses.  I love Gruyere and Fontina, which is what I recommend.  Butterkasse is super creamy, and adds to the velvety cheese in the dish.  Find great cheeses at:
It all comes together to make a heavenly dish
cooked gratin
French Gratin Potatoes dauphinois recipe

Classic Potatoes Au Gratin

Course: Side Dish
Cuisine: American / French
Keyword: Potatoes
Prep Time: 15 minutes
Cook Time: 1 hour 15 minutes
Total Time: 1 hour 30 minutes
Servings: 8 people
Calories: 486 kcal
Author: Kris Longwell
The quintessential French side dish, that is just so happy on American tables. Simple, decadent, and amazing. Use your own imagination when it comes to the cheeses on top...this recipe has my favorite blend of cheeses. And of course, a mandolin makes for the best gratin ever. Perfect for holidays! Enjoy.


  • 2 cups heavy cream
  • 2 eggs
  • 1 1/2 tsp salt
  • 1/2 tsp ground black pepper
  • 1/4 tsp grated nutmeg
  • 6 russet potatoes peeled and cut into 1/16 " slices
  • 1/4 cup grated Gruyere cheese
  • 1/4 cup grated Fontina cheese
  • 1/4 cup grated Butterkasse cheese or other good melting cheese, such as white cheddar
  • 1 tbsp fresh flat-leaf parsley chopped


  1. Pre-heat oven to 350 degrees F
  2. Butter a shallow 2 quart baking dish
  3. In a large bowl, combine the cream, eggs, salt, pepper and nutmeg and whiwsk until just blended.
  4. Add the potatoes and toss gently until evenly mixed.
  5. Transfer to the prepared baking dish
  6. Use your fingers to gently press the potatoes into an even layer. Press to absorb some of the liquid.
  7. Sprinkle cheese and then the parsley over the top.
  8. Cover the dish tightly with foil and bake for 1 hour.
  9. Remove foil and continue baking until the top is golden.
  10. Let stand for 10 minutes before serving.

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