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 Yukon Gold And Sweet Potato Gratin ?

You need 10 ingredients. The key ingredients include: 6 tablespoons (3/4 stick) butter, room temperature, divided, 2 1/4 pounds Yukon Gold potatoes, rinsed, 1 1/2 pounds red-skinned sweet potatoes (yams), peeled, 2 cups whole milk, and more.

Is Yukon Gold And Sweet Potato Gratin suitable as general?

Yes, Yukon Gold And Sweet Potato Gratin falls under the General category and is a great choice for this type of meal.

How do I store leftover Yukon Gold And Sweet Potato Gratin ?

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

Yukon Gold And Sweet Potato Gratin Recipe

Name: Yukon Gold And Sweet Potato Gratin
Prep time: 15 min
Cook time: 30 min
Total time: 45 min
Yield: 4 servings
Ingredients: 6 tablespoons (3/4 stick) butter, room temperature, divided; 2 1/4 pounds Yukon Gold potatoes, rinsed; 1 1/2 pounds red-skinned sweet potatoes (yams), peeled; 2 cups whole milk; 1 garlic clove, pressed; 1 tablespoon kosher salt; 2 teaspoons fresh thyme leaves; 1 teaspoon ground black pepper; 1/8 teaspoon ground nutmeg; 1 cup whipping cream

Try this homemade Yukon Gold And Sweet Potato Gratin recipe the whole family will love. Made with butter, potatoes, potatoes and milk. Easy step-by-step…

This Yukon Gold And Sweet Potato Gratin relies on simple, everyday ingredients such as yukon gold potatoes, rinsed, whole milk, garlic clove, pressed and kosher salt. It comes together quickly and makes 4 servings, at about 813 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

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.

My Personal Notes

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Yukon Gold And Sweet Potato Gratin

Tips for the best results

Variations & substitutions

My Personal Notes

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