Easy Ham Casserole

Turn your holiday leftovers into a cozy, ultra-creamy Easy Ham Casserole packed with tender pasta, sharp cheddar, and a crispy, buttery cracker topping.

Why This Recipe Works:

• A classic butter-and-flour roux stabilizes the cheese sauce, preventing the ham's natural moisture from breaking the emulsion.
• Sharp cheddar cheese provides a bold flavor contrast to the sweet and salty notes of the leftover ham.
• A buttery Ritz cracker topping adds a crucial textural crunch that offsets the creamy pasta beneath.

Every year on the day after Easter, my kitchen counter looks like a crime scene of aluminum foil and half-carved pork. I used to stare at that massive bone-in ham, feeling a heavy wave of leftover fatigue before I even picked up my chef's knife.

We can only eat so many cold sandwiches.

My early attempts at baking this into a pasta bake were, frankly, a watery disaster. I used to make a Creamy Chicken Noodle Casserole that worked perfectly, but ham is a different beast entirely. The ham would release its trapped water during baking, turning the sauce into a sad, broken puddle that pooled at the bottom of my favorite Pyrex dish.

Think about this in terms of physics.

Ham is cured and often injected with water, which means it behaves differently than fresh meat when heated. If you do not create a stable emulsion with your cheese sauce first, that extra moisture will easily break the protein matrix of your cheddar.

The fix is incredibly simple: we build a quick roux-based cheese sauce. By coating the pasta in a velvety, starch-stabilized sauce, we lock in the moisture and keep everything beautifully cohesive.

Trust me on this one.

If you love the classic combination of pork and cheese, this bake delivers the same comforting vibes as my favorite Ham Cheese Puff Pastry but in a hearty, crowd-pleasing dinner format. You probably already have all of these ingredients sitting in your pantry right now.

Easy Ham Casserole

• Publisher Storied Skillet
• Cuisine American
• Category Dinner, Casseroles
• Prep Time 15 minutes
• Cook Time 25 minutes
• Servings 6
• Calories 480 calories
• Rating 4.8 653
• Tags leftover ham, ham casserole, comfort food, easy dinner, pasta bake

Ingredients

• 8 oz dried elbow macaroni or cavatappi pasta
• 4 tbsp unsalted butter, divided
• 1/4 cup all-purpose flour
• 2 cups whole milk, warmed
• 2 cups sharp cheddar cheese, freshly grated (about 8 oz)
• 2 cups cooked ham, diced (perfect for using up leftovers from holiday Ham and Cheese Pretzel Sliders)
• 1 cup frozen peas, thawed
• 1/2 tsp Diamond Crystal kosher salt (or 1/4 tsp fine sea salt)
• 1/4 tsp freshly cracked black pepper
• 1 cup Ritz crackers, crushed (about 1 sleeve)

Directions

1. Preheat your oven to 375°F (190°C) and lightly grease a 9x13-inch baking dish with butter or non-stick spray.
2. Cook the pasta in a large pot of salted boiling water until it is just shy of al dente (about 2 minutes less than package directions), then drain and set aside.
3. Melt 3 tablespoons of butter in a large saucepan over medium heat, then whisk in the flour and cook for 1 minute to remove the raw flour taste.
4. Slowly pour in the warmed milk while whisking constantly to prevent lumps, then simmer until the sauce thickens enough to coat the back of a spoon.
5. Remove the pan from the heat and stir in the grated cheddar cheese, salt, and pepper until completely melted and smooth.
6. Fold the cooked pasta, diced ham, and thawed peas into the cheese sauce until everything is evenly coated.
7. Transfer the mixture to your prepared baking dish, top with the crushed Ritz crackers, and drizzle the remaining 1 tablespoon of melted butter over the top.
8. Bake for 20 to 25 minutes until the sauce is bubbling at the edges and the cracker topping is deeply golden brown.

Notes

• Salt Conversion: This recipe specifies Diamond Crystal kosher salt. If you are using fine sea salt or table salt, cut the measurement in half (use 1/4 teaspoon) to avoid over-salting.
• The Cheese Science: Always grate your cheese from a block. Pre-shredded cheeses are coated in potato starch and cellulose to prevent clumping, which ruins the smooth protein matrix of your sauce and makes it grainy.
• Cracker Warning: Keep a close eye on the oven during the last 5 minutes of baking. If the Ritz cracker topping starts to brown too quickly, loosely tent the dish with aluminum foil.
• Storage Behavior: As this casserole sits in the fridge, the pasta will continue to absorb the sauce. Leftovers will be tighter and less saucy on day two, but they reheat beautifully with a splash of milk.

Serving Suggestions

This cozy bake is a complete meal on its own, but you can round out the table with some fresh, vibrant sides to balance the rich cheese sauce.

• A crisp green salad tossed with a light lemon vinaigrette.
• Warm, crusty sourdough bread or garlic knots.
• Roasted broccoli florets with a squeeze of fresh lemon juice.
• Steamed green beans topped with toasted sliced almonds.
• This topping is very similar to the crispy crunch on my favorite Cheesy Funeral Potatoes.

Storage and Reheating

Leftovers keep beautifully.

Store any remaining casserole in an airtight container in the refrigerator for up to three days. Because the pasta continues to drink up the cheese sauce as it rests, do not be surprised if it looks a bit drier on day two.

To reheat, splash a tablespoon of milk over your portion before popping it into the microwave. This simple trick steam-loosens the starch matrix and restores that luscious, creamy texture.

If you want to reheat the entire dish, cover the baking pan with foil and warm it in a 350°F (175°C) oven for about 15 minutes. Remove the foil during the last five minutes to crisp up those buttery crackers again.

Ingredient Substitutes

Make this recipe work with whatever you have in your fridge using these simple swaps.

1. The Pasta: Swap elbow macaroni for cavatappi, penne, or rotini.
2. The Cheese: Use Gruyère, Swiss, or Monterey Jack instead of sharp cheddar.
3. The Veggies: Swap the peas for broccoli florets, diced bell peppers, or sweet corn.
4. The Topping: Use panko breadcrumbs or crushed potato chips if you are out of Ritz crackers.

Next time you find yourself staring at a mountain of leftover holiday ham, do not let it overwhelm you. Tap your wooden spoon against the side of the pot, whip up this quick cheese sauce, and watch that leftover stress melt away into pure, bubbly comfort.