From Bon Appetit
Classic Potatoes au Gratin (Creamy, Cheesy Potato Gratin)
- Makes
- 12 Servings
- Ingredients
- 10
6 things you may not have.
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Ingredients
- 5 garlic cloves, divided
- 1 Tbsp. unsalted butter, room temperature
- 2 medium shallots, quartered through root ends
- 2½ cups heavy cream
- 1 Tbsp. Diamond Crystal or 1¾ tsp. Morton kosher salt
- 1 tsp. freshly ground black pepper
- 1 Tbsp. thyme leaves, plus more for garnish
- 4 lb. russet potatoes, scrubbed, very thinly sliced on a mandoline
- 3 oz. Gruyère, finely grated
- 1 oz. Parmesan, finely grated
The method
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