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Potato Gratin

Potato Gratin combines French and Italian flavors in the most delicious, easy to make and comforting potato dish.

Course Appetizer, Main Course
Cuisine American, French, Italian
Keyword Potato Gratin
Prep Time 15 minutes
Cook Time 1 hour 30 minutes
Total Time 1 hour 45 minutes
Servings 8 servings
Calories 251 kcal
Author Catalina Castravet

Ingredients

  • 5 tablespoons unsalted butter
  • 1 medium onion finely chopped
  • 1/4 cup all-purpose flour
  • 1/2 teaspoon coarse salt
  • 1 teaspoon Italian Seasoning
  • 1/2 teaspoon black pepper
  • 4 cups whole milk
  • 8.8 ounces mozzarella cheese + 1 cup shredded
  • 5 cups thinly sliced peeled potatoes about 6 medium potatoes

Instructions

  1. Preheat oven to 350F.
  2. Grease a 9inch deep baking dish and set aside.
  3. In a medium saucepan, melt butter over medium heat, add onion and cook until softened, about 6 minutes.
  4. Add flour, salt, pepper and Italian seasoning and cook, stirring frequently, until mixture is pale golden for about 5 minutes.
  5. Whisking constantly, pour in 2 cups of milk, cook for a few minutes and add the remaining 2 cups of milk, whisk until smooth. Cook mixture stirring constantly until it starts to boil.
  6. Reduce heat to low and simmer gently, stirring occasionally, until the sauce thickens and is very creamy, about 8 - 10 minutes. Taste and adjust for salt and pepper.
  7. Remove from heat and stir in 8.8 ounces of cheese until melted.
  8. Mix the potatoes with the b├ęchamel sauce and transfer the mixture to the baking dish, top with the remaining 1 cup of mozzarella cheese and transfer the dish into the oven.
  9. Bake for 1 hour or 1 hour and 10 minutes until the potatoes are tender.
  10. Serve and enjoy!
Nutrition Facts
Potato Gratin
Amount Per Serving
Calories 251 Calories from Fat 72
% Daily Value*
Total Fat 8g 12%
Saturated Fat 5g 25%
Cholesterol 30mg 10%
Sodium 505mg 21%
Potassium 781mg 22%
Total Carbohydrates 27g 9%
Dietary Fiber 4g 16%
Sugars 7g
Protein 17g 34%
Vitamin A 12.2%
Vitamin C 19.4%
Calcium 50.1%
Iron 26.5%
* Percent Daily Values are based on a 2000 calorie diet.