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5 from 7 votes
A large white dish with potatoes au gratin and garnished with parsley.
Potatoes Au Gratin (Dauphinoise)
Prep Time
15 mins
Cook Time
1 hr
Total Time
1 hr 15 mins
 

These Easy Potatoes au Gratin (otherwise known as Dauphinoise) are a French classic. But don't let that scare you. They are so easy to make and comforting with its layers of sliced potatoes, cream, and cheese!

Course: Side Dish
Cuisine: French
Keyword: au gratin potatoes, dauphinoise
Servings: 10
Calories: 331 kcal
Author: Malinda Linnebur
Ingredients
  • 3 pounds (1.3kg) russet potatoes, peeled and sliced 1/8" thick
  • ½ teaspoon garlic powder
  • 1 teaspoon salt
  • ⅛-¼ teaspoon pepper
  • 2 cups (225g) shredded cheddar
  • 6 slices provolone cheese
  • ½ cup (55g) shredded parmesan cheese
  • 2 cups (470ml) heavy cream, no substitutions
Instructions
  1. Preheat oven to 425°F. Grease a 9x13 baking dish with butter.

  2. Place ½ the sliced potatoes in the prepared baking dish. Sprinkle with ½ of the garlic powder, salt, and pepper. Sprinkle with ½ of the shredded cheddar. Place the slices of provolone on top of the cheddar and sprinkle with ½ of the shredded Parmesan.

  3. Top with remaining sliced potatoes. Sprinkle potatoes with remaining garlic, salt, and pepper. Sprinkle with remaining cheeses. Pour cream all over the potatoes. Cover with foil and bake for 50 minutes. Remove foil and bake for 10 minutes or utnil cheese is lightly browned on top. Remove from oven and let stand for 10 minutes before serving.

Recipe Notes
  1. Make-ahead: Assemble and cover with foil. Refrigerate overnight. Pull from the refrigerator at least 20 minutes before baking. May need to add additional baking time. 
  2. Nutrition Facts: Since different brands of ingredients have different nutritional information, the information shown is just an estimate.
Nutrition Facts
Potatoes Au Gratin (Dauphinoise)
Amount Per Serving
Calories 331 Calories from Fat 144
% Daily Value*
Fat 16g25%
Saturated Fat 10g63%
Cholesterol 53mg18%
Sodium 597mg26%
Potassium 687mg20%
Carbohydrates 30g10%
Fiber 2g8%
Sugar 1g1%
Protein 15g30%
Vitamin C 8mg10%
Calcium 310mg31%
Iron 2mg11%
* Percent Daily Values are based on a 2000 calorie diet. Since different brands of ingredients have different nutritional information, the information shown is just an estimate.