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 Potato Gratin with Sage and Onions?

You need 9 ingredients. The key ingredients include: 1 tablespoon unsalted butter, 2 red onions, chopped, 5 garlic cloves, minced, 3 tablespoons chopped fresh sage, and more.

Is Potato Gratin with Sage and Onions suitable as general?

Yes, Potato Gratin with Sage and Onions falls under the General category and is a great choice for this type of meal.

How do I store leftover Potato Gratin with Sage and Onions?

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

Potato Gratin with Sage and Onions Recipe

Name: Potato Gratin with Sage and Onions
Prep time: 15 min
Cook time: 30 min
Total time: 45 min
Yield: 4 servings
Ingredients: 1 tablespoon unsalted butter; 2 red onions, chopped; 5 garlic cloves, minced; 3 tablespoons chopped fresh sage; 2 pounds Yukon Gold potatoes, thinly sliced (about 7 cups); 1 1/2 cups water; 1 1/2 cups whipping cream; 1 teaspoon salt; 1/2 teaspoon ground black pepper

Try this homemade Potato Gratin with Sage and Onions recipe the whole family will love. Made with unsalted butter, red onions, garlic and fresh sage. Ea…

This Potato Gratin with Sage and Onions relies on simple, everyday ingredients such as unsalted butter, red onions, chopped, garlic cloves, minced and chopped fresh sage. It comes together quickly and makes 4 servings, at about 714 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

Servings: persons

1 tablespoon unsalted butter
2 red onions, chopped
5 garlic cloves, minced
3 tablespoons chopped fresh sage
2 pounds Yukon Gold potatoes, thinly sliced (about 7 cups)
1 1/2 cups water
1 1/2 cups whipping cream
1 teaspoon salt
1/2 teaspoon ground black pepper

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Quick Info

Servings
4 servings
Calories
714 kcal
Category
General

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