Caramelized Onion Potatoes au Gratin

31 ratings · 55min · 8 servings

Potatoes au gratin is the best potato side dish recipe. It's easy to make and it's creamy, cheesy, and perfect for the holidays.

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Ingredients

Produce

• 2 Bay leaves

• 3 Garlic cloves

• 2 sprigs Thyme, fresh

• 2 Yellow onions, sweet

Baking & Spices

• 1 Kosher salt

• 1 Pinch Nutmeg

• 1 Pepper, Freshly ground

• 1 tsp Sugar

Dairy

• 4 tbsp Butter, unsalted

• 6 oz Gruyere cheese

• 1 1/2 cups Half & half

• 2 1/2 cups Heavy cream

Other

• 4 lbs About 4-5 large russet potatoes, peeled and sliced about 1/8" thick (3mm) on a mandoline