Side Dish: United States – Sweet Potato Gratin

Food safety reminder: Follow safe food-handling practices and use a food thermometer to verify safe internal cooking temperatures.

Serving Size: 6

Approximate Time

Prep 15 min

Cook 50 min

Additional 10 min

Total 1 hr 10 min

Ingredients

2 lb / 900 g sweet potatoes, peeled and sliced 1 / 8-inch thick
1 1 / 2 cups (360 ml) heavy cream or whole milk
1 cup (100 g) grated Gruyère or sharp cheddar
2 tbsp (30 g) unsalted butter, plus extra for greasing
1 garlic clove, halved
1 / 4 tsp ground nutmeg
Salt and freshly ground black pepper to taste
Optional: 2 tbsp (15 g) breadcrumbs for a crisp top

Instructions

1. Preheat oven to 375°F (190°C). Rub a shallow baking dish with the cut garlic and butter to grease.  
2. Arrange a layer of sweet potato slices in the dish, season lightly with salt, pepper, and a pinch of nutmeg, and sprinkle some cheese. Repeat to make 3–4 layers, finishing with cheese (and breadcrumbs, if using).  
3. Pour cream evenly over the layers. Cover tightly with foil.  
4. Bake covered 30–35 minutes, then remove foil and bake another 15–20 minutes until potatoes are tender and top is golden. Let rest 10 minutes before serving.