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Ham And Potato Casserole

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Amy GoldenBy Amy Golden
Amy Golden
Amy Golden Food Writer

Curious home cook and copyeditor, with a zest for tasting and writing.

Expertise: Baking & Southern Cooking View all posts →
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Is it brunch? Is it dinner? Yes to both! This cheesy Ham And Potato Casserole is versatile, filling, and comfort food at its best.

Creamy Ham And Potato Casserole in a white baking dish, with melted cheddar cheese and black pepper.

We normally gather with extended family for Easter, and ham is always on the menu. My in-laws usually host, and while there is often a crowd, the ham they buy could quite possibly feed an army. There’s a ritual as we’re packing up to go home. “Take some leftover ham!” my mother-in-law will plead, and whether we agree to or not, we somehow end up with ham to take home. It’s a holiday tradition of sorts!

Because of this, I am always on the lookout for ways to use leftover ham. Ham and potato casserole is a great option. The ingredient list is made up of items I usually have around anyway, and its comfort-food vibe is definitely part of the appeal. It may not be a gourmet meal, but it is easy and always disappears fast. So, the best part? No leftovers.

You will love this ham and potato casserole because it comes together easily and is versatile. It can be a filling dinner main or a hearty brunch casserole. As a brunch casserole, it works because it contains the holy trinity of breakfast food: meat, potatoes, and cheese! As a dinner main, it is satisfying and hearty, especially on a busy night when you might not have a ton of time to pull dinner together. Bonus: you can make it ahead.

Ingredients for Ham And Potato Casserole: diced ham, shredded cheddar cheese, diced potatoes, onions, olive oil, half-and-half, and spices.

Why shred your own cheese?

F​​or casseroles, appetizers, and soups that call for shredded cheese, it’s worth taking the time to grate your own rather than buying it pre-shredded. Packaged shredded cheese is often coated with anti-caking agents that can interfere with melting. If you want velvety, smooth cheese sauce, reach for a block and your trusty box grater. It’s the perfect choice for a dish like this ham and potato casserole.

Creamy ham and potato casserole in a white baking dish, with melted cheese.

How do I store leftovers?

Once cooled, leftovers can be transferred to an airtight container and refrigerated for up to 4 days. You can also freeze the dish, double-wrapped in plastic, for up to 3 months. Thaw overnight in the fridge and reheat for 20 minutes at 350°F in the oven.

Ham and potato casserole in a white baking dish with melted cheddar cheese and diced ham.

Serving suggestions

If you’re serving this ham and potato casserole as a breakfast or brunch dish, pair it with fresh fruit or a Citrus Mint Fruit Salad. Other sides that work well include The Best Banana Bread Ever, Blueberry Muffins, or Lemon-Raspberry Muffins (all of which can be made ahead!). Alternatively, if you’re serving this as a dinner main dish, you’ve got several options for sides. Serve with crusty rolls and a crisp salad like this Apple-Walnut Salad. It’s also delicious with a green veggie like steamed broccoli or Air-Fryer Asparagus.

Creamy ham and potato casserole with melted cheddar cheese.

Ham And Potato Casserole

Close-up of a smiling woman with curly dark hair sitting indoors at a cafe or restaurant.Amy Golden
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Print Recipe Pin Recipe
Prep Time 30 minutes mins
Cook Time 1 hour hr
Total Time 1 hour hr 30 minutes mins
Course main dish
Cuisine American
Servings 8
Calories 299 kcal

Ingredients
  

  • 1 1/2 tablespoons olive oil
  • 1 medium yellow onion finely diced
  • 2 1/2 tablespoons all-purpose flour
  • 1 1/4 cups half-and-half
  • 1/3 cup chicken broth
  • 1/2 teaspoon kosher salt
  • 1/4 teaspoon ground black pepper
  • 1/2 teaspoon garlic powder
  • 2 pounds russet potatoes peeled and diced
  • 2 1/3 cups cooked ham diced
  • 1 1/4 cups sharp cheddar cheese shredded

Instructions
 

  • Preheat the oven to 400°F. Grease a 9×13-inch baking dish with butter or nonstick cooking spray.
    Greasing a white ceramic baking dish for Ham And Potato Casserole.
  • Heat oil in a medium saucepan over medium heat. Add diced onion and cook until translucent.
    Cooking diced onions in a pan for ham and potato casserole.
  • Sprinkle flour over the onion and stir. Gradually add half-and-half and broth, stirring constantly. Season with salt, pepper, and garlic powder. Heat until slightly thickened.
    Sautéed onions with salt and flour in a frying pan for baking recipes.
  • Layer the diced potatoes evenly in the prepared baking dish. Add the diced ham on top.
    Layering diced potatoes evenly in a baking dish for Ham And Potato Casserole.
  • Pour the thickened mixture of onion and half-and-half over the ham and potatoes.
    Pouring the thickened onion and half-and-half mixture over ham and potatoes for Ham And Potato Casserole.
  • Cover the dish and bake for 45 minutes. Take it out of the oven, add shredded cheese on top, and then return it uncovered.
    Baking ham and potato casserole in the oven, covered with foil.
  • Bake for another 15 minutes, or until the cheese melts and the potatoes are tender.
    Creamy baked potato casserole with cheese and ham.

Nutrition

Calories: 299kcalCarbohydrates: 26gProtein: 14gFat: 16gSaturated Fat: 7gSodium: 707mgFiber: 2g
Keyword Ham and Potato Casserole
Tried this recipe?Let us know how it was!
Close-up of a smiling woman with curly dark hair sitting indoors at a cafe or restaurant.

About Amy GoldenBaking & Southern Cooking

Curious home cook and copyeditor, with a zest for tasting and writing.

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Published: Aug 27, 2025 | Updated: Mar 5, 2026

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