Potatoes Au Gratin Recipe: Creamy, Cheesy Comfort Food
Creamy, cheesy layered potatoes baked to golden perfection, ideal as a side dish for holidays or dinners.
Prep Time 20 minutes mins
Cook Time 1 hour hr 10 minutes mins
Total Time 1 hour hr 30 minutes mins
- 2 lbs russet potatoes peeled and sliced 1/8-inch thick
- 2 cups heavy cream
- 1 cup whole milk
- 2 tbsp all-purpose flour
- 2 cloves garlic minced
- 1 tsp kosher salt
- ½ tsp black pepper
- ¼ tsp nutmeg optional
- 1 ½ cups shredded sharp cheddar cheese divided
- ½ cup grated Parmesan cheese
- 2 tbsp unsalted butter
- Optional: 1/4 cup chopped chives or parsley
- Optional: 1/2 tsp dried thyme
Peel and slice potatoes thinly; soak in cold water.
Melt butter; cook garlic, whisk in flour, then add cream, milk, salt, pepper, and nutmeg. Stir in 1 cup cheddar and 1/4 cup Parmesan until melted.
Preheat oven to 375°F; grease a 9x13-inch dish. Layer half the potatoes, add half the sauce, and optional thyme. Repeat with remaining potatoes and sauce.
Top with 1/2 cup cheddar and 1/4 cup Parmesan. Bake covered for 45 minutes, then uncovered for 20-25 minutes until golden.
Rest 10 minutes; garnish with chives or parsley. Serve hot.
- Use a mandoline for even slices.
- Soak potatoes to remove starch.
- Let rest for a thicker sauce.
- Serve with roast beef or salad.