Sweet Potato Gratin is a rich, creamy baked dish made with thinly sliced sweet potatoes layered with cream, cheese, and seasonings. It’s a delicious side dish for family dinners or holidays.
🍠 Sweet Potato Gratin
Ingredients (serves 4–6)
- 2–3 large Sweet potato, peeled and thinly sliced
- 1 cup heavy cream
- 1/2 cup milk
- 2 cloves garlic, minced
- 1 cup shredded Gruyère cheese (or cheddar)
- 2 tablespoons butter
- 1/2 teaspoon salt
- 1/2 teaspoon black pepper
- 1/2 teaspoon thyme or rosemary (optional)
- 1/4 cup grated Parmesan cheese
Instructions
- Preheat the oven
- Set oven to 375°F (190°C).
- Grease a baking dish with butter.
- Prepare the cream mixture
- In a bowl, mix heavy cream, milk, garlic, salt, pepper, and herbs.
- Layer the potatoes
- Place a layer of sliced sweet potatoes in the baking dish.
- Sprinkle some Gruyère cheese over the layer.
- Repeat layers until ingredients are used.
- Add cream
- Pour the cream mixture evenly over the potatoes.
- Top with cheese
- Sprinkle Parmesan on top for a golden crust.
- Bake
- Cover with foil and bake 30 minutes.
- Remove foil and bake another 20–25 minutes until potatoes are tender and the top is golden.
- Rest and serve
- Let it sit for 10 minutes before serving so the sauce thickens.
💡 Tips
- For extra flavor, add thinly sliced onions or cooked bacon between layers.
- Use a mandoline slicer so the potatoes cook evenly.
- A sprinkle of chopped parsley on top adds freshness.
If you’d like, I can also show you a restaurant-style sweet potato gratin that uses caramelized onions and tastes even richer. 🍠🧀
