Grilled Au Gratin Potatoes

Fire up the grill for a smoky twist on a classic comfort food with these indulgent Grilled Au Gratin Potatoes. Perfectly thin slices of creamy russet potatoes are layered with a rich garlic-infused cream, fresh thyme, and a luxurious blend of Gruyère and Parmesan cheeses. Cooked to golden, bubbly perfection in a cast-iron skillet, these potatoes absorb subtle smoky notes from the grill, creating an irresistible depth of flavor. With minimal prep and the convenience of indirect grilling, this crowd-pleaser is ideal for backyard barbecues, holiday feasts, or any occasion that calls for an elevated side dish. Pair it with your favorite grilled proteins and watch these potatoes steal the spotlight.

Nutriscore Rating: 54/100

Prep Time:20 mins

Cook Time:60 mins

Total Time:80 mins

Servings: 6

Ingredients

• 4 medium Russet potatoes
• 2 cups Heavy cream
• 2 tablespoons Unsalted butter
• 2 cloves Garlic
• 2 teaspoons Fresh thyme
• 1 teaspoon Salt
• 0.5 teaspoons Black pepper
• 1.5 cups Gruyère cheese
• 0.5 cups Parmesan cheese
• 1 tablespoon Olive oil

Directions

Step 1

Preheat your grill to medium-high heat, around 375°F (190°C). If your grill has multiple zones, prepare one side for indirect cooking.

Step 2

Peel the russet potatoes and slice them thinly (approximately 1/8-inch thick) using a mandoline or sharp knife.

Step 3

In a small saucepan, heat the heavy cream, butter, minced garlic, and fresh thyme over low heat until the butter melts. Stir in salt and black pepper, then set aside.

Step 4

Lightly grease a large cast-iron skillet or grill-safe baking dish with olive oil.

Step 5

Arrange one-third of the potato slices in an even layer at the bottom of the skillet. Pour one-third of the cream mixture over the potatoes, then sprinkle one-third of the Gruyère and Parmesan cheese on top.

Step 6

Repeat the layering process two more times, ensuring the final layer is generously topped with cheese.

Step 7

Cover the skillet tightly with aluminum foil and place it on the grill over indirect heat. Close the grill lid and cook for 45 minutes, or until the potatoes are tender when pierced with a fork.

Step 8

Remove the aluminum foil and move the skillet to direct heat. Close the grill lid and cook for an additional 10 to 15 minutes, or until the cheese is bubbly and golden brown.

Step 9

Carefully remove the skillet from the grill and let the dish rest for 5 minutes before serving.

Step 10

Garnish with additional fresh thyme if desired and serve hot.

Nutrition Facts

Serving size	1476.2 grams (1476.2g)

Amount per serving	% Daily Value*
Calories	3629

Total Fat 276.30g	354%
Saturated Fat 158.60g	793%
Polyunsaturated Fat 4.80g
Cholesterol 804mg	268%
Sodium 4356mg	189%
Total Carbohydrate 157.20g	57%
Dietary Fiber 12.50g	45%
Total Sugars 8.80g
Protein 95.80g	192%

Vitamin D 48IU	238%
Calcium 2577mg	198%
Iron 9mg	49%
Potassium 4085mg	87%

*The % Daily Value tells you how much a nutrient in a serving of food contributes to a daily diet. 2,000 calories a day is used for general nutrition advice.

Source of Calories

Fat: 71.1%

Protein: 11.0%

Carbs: 18.0%