Cheesy Ham and Potato Casserole Tips, FAQ & printable recipe

Tips for success

To add an extra layer of flavor, consider tossing the diced potatoes with a pinch of garlic powder or dried herbs like thyme or rosemary before combining them with the ham. These aromatics infuse the potatoes as they bake, adding a professional depth to the dish.

Be mindful of the salt content in the ham, as it can vary greatly depending on the type used; it is often best to taste the mixture before adding extra salt, as the cheese and ham may provide sufficient seasoning.

If the cheese browns too quickly before the potatoes are tender, tent a piece of aluminum foil over the top of the dish for the final few minutes of baking. This protects the cheese from burning while allowing the internal heat to finish cooking the potatoes.

For a crispier topping, you can switch the oven to the broiler setting for the last one or two minutes, but watch it extremely closely as cheese can transition from golden to burnt in a matter of seconds.

Variations

• Bacon and Scallion: Replace the ham with cooked, crumbled bacon and fold in a generous handful of fresh, sliced scallions before adding the cheese topping for a smoky, onion-forward flavor profile.
• Spicy Jalapeno: Add finely diced fresh or pickled jalapenos to the potato mixture before baking to provide a subtle, spicy kick that cuts through the rich, melted cheese topping.

Storage and make-ahead

Fridge

Keep in an airtight container for up to 3 days.

Freezer

Not recommended, as the potatoes may lose their texture upon thawing.

Reheat

Reheat in a preheated 350°F oven until warmed through, about 15-20 minutes.

Store any leftover casserole in an airtight container in the refrigerator for up to three days. Ensure the casserole has cooled completely before covering it to prevent condensation from making the topping soggy. When reheating, it is best to use an oven or toaster oven rather than a microwave to maintain the best texture for the potatoes and the melted cheese, as microwaves can often result in uneven heating or rubbery textures.

This dish can be assembled up to 24 hours in advance. Prepare the potato and ham base and store it in the baking dish, covered, in the refrigerator. Wait to add the cheese until just before baking to prevent the potatoes from discoloring and to ensure the freshest flavor.

If baking straight from the refrigerator, add an extra 10 to 15 minutes to the initial covered baking time to account for the cold temperature of the ingredients.

Serving ideas

Serve this casserole piping hot, right out of the oven, after its mandatory resting period. The resting time is essential for the flavors to meld together perfectly. It pairs beautifully with a crisp, acidic side salad that features a light vinaigrette, as the acidity cuts through the richness of the potato and cheese base, creating a balanced and satisfying meal for any occasion.

For a more substantial dinner, consider serving the casserole alongside steamed green vegetables like broccoli or asparagus. These vegetables add a fresh, vibrant contrast to the soft textures of the casserole.

Because the dish is already quite filling, smaller portions are often sufficient, making it an excellent option for feeding larger groups or for planning multiple meals throughout the week. Keep a serving spoon handy, as the nature of the dish makes it easy to portion onto plates.

Frequently asked questions

Recipe card

Cheesy Ham and Potato Casserole

Prep 15 minCook 45 minRest 10 minTotal 1 h 10 minServes 6

Ingredients

• 3 lb russet potatoes, peeled and diced
• 2 cups diced ham
• 3 cups shredded cheddar cheese

Instructions

1. Preheat the oven to 375°F (190°C). Peel and dice the russet potatoes into uniform one-inch cubes to ensure even cooking. Place the diced potatoes into a large mixing bowl and combine with the diced ham, ensuring the ingredients are well distributed throughout the mixture.
2. Transfer the potato and ham mixture into a greased 9x13 inch baking dish, spreading it out into an even layer. Use a spatula to gently press down the mixture so it fits compactly in the dish, ensuring it is ready for the oven.
3. Cover the dish with foil and bake for 35 minutes. Remove the foil, sprinkle the shredded cheddar cheese generously over the top, and continue baking for 10 minutes until the cheese is bubbly and golden brown. Let the casserole rest for 10 minutes before serving to allow the dish to set.

Contains: milk

Estimated nutrition per serving

Calories

420

Protein

16 g

Carbohydrates

38 g

Fat

22 g

Fiber

4 g

Sugar

2 g

Sodium

750 mg

Automatic estimate from the ingredient list, not laboratory-verified.