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 Ham & Potatoes Au Gratin?

You need 10 ingredients. The key ingredients include: 1/2 cups Chopped Onions, 2 Tablespoons Butter Or Margarine, Divided, 3 cups Diced, Cooked Potatoes, 1 pound Cooked, Cubed Ham, and more.

Is Ham & Potatoes Au Gratin suitable as general?

Yes, Ham & Potatoes Au Gratin falls under the General category and is a great choice for this type of meal.

How do I store leftover Ham & Potatoes Au Gratin?

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

Ham & Potatoes Au Gratin Recipe

Name: Ham & Potatoes Au Gratin
Prep time: 15 min
Cook time: 30 min
Total time: 45 min
Yield: 4 servings
Ingredients: 1/2 cups Chopped Onions; 2 Tablespoons Butter Or Margarine, Divided; 3 cups Diced, Cooked Potatoes; 1 pound Cooked, Cubed Ham; 1/3 cups Mayonnaise; 1 Tablespoon Flour; 1/2 teaspoons Garlic Powder; Pepper To Taste; 3/4 cups Milk; 6 ounces, weight Shredded Cheddar Cheese

Try this homemade Ham & Potatoes Au Gratin recipe the whole family will love. Made with Onions, Butter, Potatoes and Ham. Easy step-by-step instructions…

This Ham & Potatoes Au Gratin relies on simple, everyday ingredients such as chopped onions, butter or margarine, divided, diced, cooked potatoes and cooked, cubed ham. It comes together quickly and makes 4 servings, at about 735 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.
A good 1:1 gluten-free flour blend works well if you need a gluten-free version.

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

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Ham & Potatoes Au Gratin

Tips for the best results

Variations & substitutions

My Personal Notes

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