Main Dishesbellyfull5.0
Au Gratin Potatoes
With thinly sliced potatoes, onions, and two types of cheese, these simple Au Gratin Potatoes make an excellent side to your holiday ham or turkey, or even your everyday pork chops or steak. They can even be prepared in advance.
👥 6 Servings⏱️ Prep & Cook: 1h 35m⏳ Prep: 20 min🔥 Cook: 1h 15m👤 Amy Flanigan📖 bellyfull
🥘 Ingredients
Check off ingredients as you prepare them:
🍳 Cookware
- pan
- oven
- saucepan
- whisk
- casserole dish
📝 Preparation Steps
1
Preheat your oven to 375°F. Spray a 2-quart casserole pan with nonstick spray.
2
Slice
3
Thinly slice the potatoes to no more than ⅛ inch thick. I highly recommend slicing the potatoes using a mandoline.
4
Arrange half the potatoes in the casserole pan and top with the onions. Top the onions with the remaining potatoes.
5
Stir
6
In a medium saucepan, melt the butter. Slowly stir in the flour and cook for ⏱️ 2 minutes until no white streaks remain, stirring the entire time. Slowly whisk in the milk until well combined. Mix in the cheddar cheese, garlic powder, salt, and pepper until the cheese has melted.
garlic powder1 tspsalt1 tsppepper1 tsp
7
Pour the cheese sauce over the potatoes.
8
Cover the pan tightly with aluminum foil and bake for ⏱️ 45 minutes.
9
Bake
10
Uncover the casserole dish and sprinkle the Gruyere cheese over the top. Bake for an additional ⏱️ 35-45 minutes until it is golden brown and bubbling.
11
Rest
12
Let rest ⏱️ 15 minutes so the sauce thickens and it's easier to cut, garnish with fresh chopped parsley or chives, then slice and serve.
Nutrition Facts
calories
501 kcal
fat Content
26 g
serving Size
1 serving
fiber Content
3 g
sugar Content
5 g
sodium Content
808 mg
protein Content
20 g
trans Fat Content
0.3 g
cholesterol Content
77 mg
carbohydrate Content
49 g
saturated Fat Content
15 g
unsaturated Fat Content
7 g
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