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?

You need 10 ingredients. The key ingredients include: 1 clove garlic, halved, vegetable cooking spray, 1 c. chopped onion, 6 medium-size baking potatoes, peeled and cut into 1/8-inch slices (about 2 1/2 lb.), and more.

Is Potato Gratin suitable as soups & stews?

Yes, Potato Gratin falls under the Soups & Stews category and is a great choice for this type of meal.

How do I store leftover Potato Gratin?

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

Potato Gratin Recipe

Name: Potato Gratin
Prep time: 15 min
Cook time: 30 min
Total time: 45 min
Yield: 4 servings
Ingredients: 1 clove garlic, halved; vegetable cooking spray; 1 c. chopped onion; 6 medium-size baking potatoes, peeled and cut into 1/8-inch slices (about 2 1/2 lb.); 1/4 tsp. salt; 1/4 tsp. freshly ground pepper; 3/4 c. (3 oz.) shredded extra-sharp Cheddar cheese; 1/4 c. grated fresh Romano cheese; 1 3/4 c. low-sodium chicken broth; 1 c. evaporated skimmed milk

Try this homemade Potato Gratin recipe the whole family will love. Made with clove garlic, vegetable cooking spray, onion and baking potatoes. Easy step…

This Potato Gratin relies on simple, everyday ingredients such as garlic, halved, vegetable cooking spray, chopped onion and salt. It comes together quickly and makes 4 servings, at about 592 kcal each. The step-by-step instructions below are written to be easy to follow, even on a busy day.

It works as a light main on its own or as a starter alongside crusty bread, and it's just as good for a cozy night in as it is for feeding a crowd. Leftovers keep well, so it's a smart choice for meal prep too.

Updated Jun 30, 2026

Serves 4 Soups & Stews

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

Feel free to swap in similar ingredients you already have on hand and adjust seasoning to taste.

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

My Personal Notes

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Potato Gratin

Tips for the best results

Variations & substitutions

My Personal Notes

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