5.0 from 18 votes
Creamy Potato Gratin
Potato Gratin combines is a comforting side dish made with thinly sliced potatoes, and cooked in a creamy Alfredo sauce till golden brown! 🥔
Prep Time
15 mins
Cook Time
1 hr 15 mins
Total Time
1 hr 45 mins
Servings: 8 servings
Calories: 251 kcal
Course:
Main Course , Appetizer
Cuisine:
French , Italian , American
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
- 2 1/2 cups mozzarella cheese or parmesan cheese shredded
- 6 cups thinly sliced peeled potatoes about 5-6 medium potatoes
Instructions
- First, preheat the oven to 375 degrees F.
- Grease a 9x13 inches deep baking dish and set it aside.
Cup of Yum
Make the sauce
- In a medium saucepan, melt butter over medium heat, add onion and cook until softened, about 6 minutes.
- Add flour, salt, pepper, and Italian seasoning and cook, stirring frequently, until mixture is pale golden for about 5 minutes.
- 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.
- 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.
- Remove from heat and stir in 1 1/2 cup of shredded cheese until melted.
Assemble and bake
- Mix the potatoes with the béchamel 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.
- Bake for 1 hour or 1 hour and 10 minutes until the potatoes are tender.
- Serve and enjoy!
Nutrition Information
Calories
251kcal
(13%)
Carbohydrates
27g
(9%)
Protein
17g
(34%)
Fat
8g
(12%)
Saturated Fat
5g
(25%)
Cholesterol
30mg
(10%)
Sodium
505mg
(21%)
Potassium
781mg
(22%)
Fiber
4g
(16%)
Sugar
7g
(14%)
Vitamin A
610IU
(12%)
Vitamin C
16mg
(18%)
Calcium
501mg
(50%)
Iron
4.8mg
(27%)
Nutrition Facts
Serving: 8servings
Amount Per Serving
Calories 251
% Daily Value*
| Calories | 251kcal | 13% |
| Carbohydrates | 27g | 9% |
| Protein | 17g | 34% |
| Fat | 8g | 12% |
| Saturated Fat | 5g | 25% |
| Cholesterol | 30mg | 10% |
| Sodium | 505mg | 21% |
| Potassium | 781mg | 17% |
| Fiber | 4g | 16% |
| Sugar | 7g | 14% |
| Vitamin A | 610IU | 12% |
| Vitamin C | 16mg | 18% |
| Calcium | 501mg | 50% |
| Iron | 4.8mg | 27% |
* Percent Daily Values are based on a 2,000 calorie diet.