Potatoes Au Gratin with Half and Half
Potatoes Au Gratin with half and half are a classic potato side dish that you can make more easily than you may think! Creamy homemade white sauce with melted cheddar make these cheesy potatoes a recipe the family will love.
Servings: 8
Calories: 426kcal
Ingredients
- 3 tablespoons salted butter
- 2 tablespoons all-purpose flour
- 3 cups half and half cream (or whole milk)
- 1 teaspoon salt
- 1/2 teaspoon ground black pepper
- 3 cups cheddar cheese, divided (or Gruyere cheese)
- 6 cups thinly sliced potatoes (about 2 1/2 pounds)
- 1/4 cup diced onion
- 1 tablespoon freshly snipped parsley
Instructions
- Melt the butter in a saucepan over medium heat. Add the flour and whisk until combined. Cook and stir constantly for 2-3 minutes. 3 tablespoons salted butter, 2 tablespoons all-purpose flour
- Slowly stir in 1 cup of cream (or milk) and whisk until smooth. Stir in the remaining cream, salt and pepper. Whisk constantly until the mixture starts to thicken. This will take 3-5 minutes. 3 cups half and half cream, 1 teaspoon salt, 1/2 teaspoon ground black pepper
- Add in 2 cups of the shredded cheddar cheese and stir until smooth. Remove the white sauce from the stove. 3 cups cheddar cheese, divided
- Preheat the oven to 400º Fahrenheit. Spray a 9x13" baking pan with cooking spray. Place half of the potatoes in the greased pan. Cover them with the onions and half of the sauce. 6 cups thinly sliced potatoes, 1/4 cup diced onion
- Place the remaining potatoes in the pan and then pour the remaining sauce overtop. Cover the pan with foil and bake for 40 minutes.
- Uncover the pan, sprinkle the remaining cup of shredded cheddar over the top and bake uncovered for an additional 15-20 minutes or until the top of the potatoes are lightly browned, the cheese is metled and the potatoes are tender. The exact timing will depend on how thick you have cut the potatoes.
- Top with fresh parsley or fresh thyme, if desired. Serve warm. 1 tablespoon freshly snipped parsley
Video
Notes
- If you don't have Russet potatoes, use Yukon Gold potatoes.
- For gluten free, use all-purpose gluten-free flour.
- Store leftovers in an airtight container in the refrigerator for up to 4 days.
- The calories shown are based on the recipe serving 8 people, with 1 serving being about 1 cup of potatoes. Since different brands of ingredients have different nutritional information, the calories shown are just an estimate.
Nutrition
Calories: 426kcal | Carbohydrates: 26g | Protein: 17g | Fat: 28g | Saturated Fat: 18g | Cholesterol: 89mg | Sodium: 644mg | Potassium: 817mg | Fiber: 4g | Vitamin A: 875IU | Vitamin C: 19.1mg | Calcium: 449mg | Iron: 5.5mg