How many servings does this recipe make?

This recipe makes 4 servings. You can adjust the portion size directly on this page.

What ingredients do I need for Butternut Gratin?

You need 10 ingredients. The key ingredients include: 3 tablespoons unsalted butter, plus more for the baking dish, 1 large onion, thinly sliced, 1 garlic clove, thinly sliced, 1 1/2 pounds butternut squash (about 1 large), peeled, halved lengthwise, seeded, and thinly sliced, and more.

Is Butternut Gratin suitable as general?

Yes, Butternut Gratin falls under the General category and is a great choice for this type of meal.

How do I store leftover Butternut Gratin?

Store leftovers in an airtight container in the refrigerator for up to 3–4 days. Reheat gently before serving.

Butternut Gratin Recipe

Name: Butternut Gratin
Prep time: 15 min
Cook time: 30 min
Total time: 45 min
Yield: 4 servings
Ingredients: 3 tablespoons unsalted butter, plus more for the baking dish; 1 large onion, thinly sliced; 1 garlic clove, thinly sliced; 1 1/2 pounds butternut squash (about 1 large), peeled, halved lengthwise, seeded, and thinly sliced; 1/4 teaspoon grated nutmeg; Fine sea salt and freshly ground black pepper; 1/2 cup heavy cream; 3/4 cup fresh bread crumbs; 3/4 cup grated Comte cheese; A few fresh chives, finely chopped

Try this homemade Butternut Gratin recipe the whole family will love. Made with unsalted butter, onion, garlic and butternut squash. Easy step-by-step i…

This Butternut Gratin relies on simple, everyday ingredients such as large onion, thinly sliced, garlic clove, thinly sliced, grated nutmeg and heavy cream. It comes together quickly and makes 4 servings, at about 1530 kcal each. The step-by-step instructions below are written to be easy to follow, even on a busy day.

It's versatile enough for an easy weeknight dinner yet satisfying enough for guests at the weekend. Serve it with your favorite sides, and keep any leftovers for a quick meal the next day.

Updated Jun 30, 2026

Serves 4 General

1530

kcal

Calories

Tips for the best results

Read through all the steps once before you start and measure out your ingredients first — it makes everything go more smoothly.
Taste as you go and adjust the seasoning before serving.
Avoid overcrowding the pan — cook in batches if needed for the best texture.
Let the dish rest for a few minutes before serving so the flavors settle.
Store leftovers in an airtight container in the fridge and enjoy within a few days.

Variations & substitutions

Use a neutral oil or a plant-based spread in place of butter for a dairy-free version.
Coconut cream is a reliable plant-based alternative to dairy cream.

No specific allergen information. Please check the ingredient list for possible allergens.

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Butternut Gratin

Tips for the best results

Variations & substitutions

My Personal Notes

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