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Potatoes Au Gratin Recipe
You are going to love this easy, cheesy Potato Au Gratin side dish. Thinly slice potatoes are mixed in a creamy sauce and topped with cheese.
👥 8 Servings⏱️ Prep & Cook: 2h 10m⏳ Prep: 20 min🔥 Cook: 1h 30m👤 Carrie Barnard📖 eatingonadime
🥘 Ingredients
Check off ingredients as you prepare them:
🍳 Cookware
- ●oven
- ●casserole dish
- ●saucepan
- ●whisk
📝 Preparation Steps
1
Preheat the oven to 400°F and spray a 2.5–3 quart casserole dish with non-stick cooking spray.
2
Layer 3 pounds russet potatoes peeled and sliced into ?-inch thick slices and 1 thinly sliced white onion into the casserole dish, arranging them in slightly slanted rows and overlapping the potatoes to allow room for the sauce to flow between layers.
Russet Potatoes (peeled and sliced into 1/8” thick slices)3 poundsWhite Onion (thinly sliced)1
3
In a medium saucepan over medium-high heat, melt ¼ cup butter.
cup Butter1/4
4
Stir in ¼ cup all-purpose flour until combined.
5
Slowly whisk in 2 cups whole milk, ½ teaspoon garlic powder, 1 teaspoon salt, and ½ teaspoon pepper. Cook for 2–⏱️ 3 minutes, whisking continuously, until the sauce thickens.
Whole Milk2 cupsSalt1 tsp
6
Remove the saucepan from the heat and immediately stir in 1 cup shredded sharp cheddar cheese and ½ cup shredded Gruyère cheese until melted and smooth.
Sharp Cheddar Cheese (shredded)1 cup
7
Pour the cheese sauce evenly over the potatoes and onions, making sure all of the potatoes are coated.
8
Cover the casserole dish tightly with foil and bake for ⏱️ 60 minutes.
9
Remove the foil and continue baking for 20–⏱️ 30 minutes, until the top is browned and the potatoes are fork tender.
10
Let the potatoes rest for 20–⏱️ 30 minutes before serving.
11
Top with chopped fresh parsley and enjoy!
Fresh Parsley (chopped)
Nutrition Facts
calories
334 kcal
fat Content
15 g
serving Size
1 serving
fiber Content
3 g
sugar Content
5 g
sodium Content
520 mg
protein Content
12 g
trans Fat Content
1 g
cholesterol Content
46 mg
carbohydrate Content
38 g
saturated Fat Content
9 g
unsaturated Fat Content
5 g
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