If you love rich, creamy, and cheesy potatoes, this Roasted Garlic Potatoes Au Gratin is a must-try dish! Made with layers of thinly sliced potatoes, roasted garlic-infused cream, and melted cheese, this dish is the perfect balance of comfort and elegance.
It’s a crowd-pleaser for holidays, family gatherings, or Sunday dinners, and pairs beautifully with steak, chicken, or roasted vegetables.
Ingredients (Serves 6-8)
For the Potatoes:
- 900g (2 lbs) Yukon Gold or Russet potatoes, thinly sliced
- 1 tablespoon butter, for greasing the dish
For the Roasted Garlic Cream Sauce:
- 1 whole garlic bulb
- 1 tablespoon olive oil
- 300ml (1 ¼ cups) heavy cream
- 250ml (1 cup) milk
- 1 teaspoon salt
- ½ teaspoon black pepper
- ½ teaspoon thyme (dried or fresh)
- ½ teaspoon paprika
- ¼ teaspoon nutmeg (optional, for depth of flavor)
For the Cheese Layers:
- 200g (2 cups) gruyère cheese, shredded
- 100g (1 cup) Parmesan cheese, grated
For Garnish:
- 1 tablespoon chopped parsley (optional)
Instructions
Step 1: Roast the Garlic
1️⃣ Preheat oven to 200°C (400°F).
2️⃣ Slice the top off the garlic bulb, drizzle with olive oil, wrap in foil, and roast for 30-35 minutes until soft.
3️⃣ Once cooled, squeeze out the soft roasted garlic cloves and mash into a paste.
Step 2: Make the Garlic Cream Sauce
4️⃣ In a saucepan, heat cream, milk, salt, black pepper, thyme, paprika, and nutmeg over medium heat.
5️⃣ Stir in the roasted garlic paste and mix well. Simmer for 5 minutes, then remove from heat.
Step 3: Prepare the Potatoes
6️⃣ Grease a 9×13-inch baking dish with butter.
7️⃣ Layer half of the sliced potatoes in the dish.
8️⃣ Pour half of the garlic cream sauce over the potatoes.
9️⃣ Sprinkle with half of the gruyère and Parmesan cheese.
🔟 Repeat with the remaining potatoes, sauce, and cheese.
Step 4: Bake & Serve
1️⃣1️⃣ Cover with foil and bake at 180°C (350°F) for 45 minutes.
1️⃣2️⃣ Remove the foil and bake for another 15-20 minutes, until golden brown and bubbly.
1️⃣3️⃣ Let rest for 10 minutes before serving. Garnish with chopped parsley.
🍽️ Serve warm with grilled meats, roasted vegetables, or a fresh salad!
Nutrition Facts (Per Serving, Approximate)
- Calories: 380 kcal
- Carbohydrates: 30g
- Protein: 12g
- Fat: 25g
(Values may vary based on ingredients used.)
Tips & Tricks for the Best Roasted Garlic Potatoes Au Gratin
✅ Use starchy potatoes – Yukon Gold or Russet potatoes give the best texture.
✅ Slice evenly – Use a mandoline slicer for uniform slices and even cooking.
✅ Roast the garlic ahead of time – Roasting enhances the flavor and makes the sauce extra rich.
✅ Try different cheeses – Swap gruyère for cheddar, gouda, or fontina for a different taste.
✅ Make it ahead – Assemble the dish and refrigerate before baking for an easy prep option!
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