Cheesy Ham and Pea Casserole (Easy 30-Minute Family Dinner)

Some dinners exist for one reason alone: to make life easier while still feeling comforting and satisfying. This cheesy ham and pea casserole is exactly that kind of meal. It’s warm, creamy, loaded with gooey cheese, and filled with tender pasta, savory ham, and pops of sweet peas—all baked together into a dish the whole family will happily dig into.

This casserole is especially perfect for busy weeknights or those moments when you need a reliable dinner that doesn’t require fancy ingredients or hours in the kitchen. If you have leftover ham in the fridge, this recipe transforms it into something entirely new and crave-worthy. Even better, everything comes together in about 30 minutes, making it a true lifesaver on hectic evenings.

Ingredients:

• Cooked pasta (penne or rotini work best)
• Cooked ham, diced
• Frozen peas
• Butter
• All-purpose flour
• Milk
• Garlic powder
• Onion powder
• Salt
• Black pepper
• Shredded cheddar cheese
• Shredded mozzarella cheese
• Breadcrumbs (optional, for topping)

Instructions:

1. Preheat your oven and lightly grease a baking dish.
2. Cook pasta until just al dente, drain, and set aside.
3. In a saucepan, melt butter over medium heat.
4. Whisk in flour and cook briefly to remove the raw taste.
5. Slowly whisk in milk until smooth and thickened.
6. Season the sauce with garlic powder, onion powder, salt, and pepper.
7. Stir in cheddar and mozzarella cheese until melted and creamy.
8. Add cooked pasta, diced ham, and frozen peas to the sauce and mix well.
9. Transfer the mixture to the prepared baking dish.
10. Sprinkle breadcrumbs on top if using.
11. Bake until bubbly and lightly golden on top.
12. Let rest briefly before serving.

Cheesy Ham and Pea Casserole

Creamy, cheesy pasta casserole made with diced ham and sweet peas for a quick and comforting family dinner.

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Prep Time 10 minutes mins

Cook Time 20 minutes mins

Total Time 30 minutes mins

Servings: 6 servings

Course: Dinner, Main Course

Cuisine: American

Calories: 510

Ingredients Equipment Method Notes

Ingredients

  

Casserole Base

• 12 oz short pasta cooked al dente
• 2 cups cooked ham diced
• 1 cup frozen peas
• 3 tbsp butter
• 3 tbsp all-purpose flour
• 2 cups milk
• 1 tsp garlic powder
• 0.5 tsp onion powder
• 0.5 tsp salt
• 0.25 tsp black pepper
• 1.5 cups cheddar cheese shredded
• 0.5 cup mozzarella cheese shredded

Equipment

• Large pot
• Saucepan
• Whisk
• Baking dish

Method

 

1. Preheat oven and grease a baking dish.
2. Cook pasta until al dente and drain.
3. Melt butter in a saucepan and whisk in flour.
4. Slowly whisk in milk and cook until thickened.
5. Season sauce and stir in cheeses until melted.
6. Combine pasta, ham, peas, and cheese sauce.
7. Transfer to baking dish and bake until bubbly.

Notes

Perfect for using leftover ham. Add breadcrumbs on top for extra crunch.

The result is a creamy, cheesy casserole with just the right balance of textures—soft pasta, hearty ham, and bright peas that cut through the richness beautifully.

Tips & Tricks

• Slightly undercook the pasta so it doesn’t get mushy.
• Use freshly shredded cheese for the smoothest sauce.
• Add a splash of pasta water if the sauce feels too thick.
• Let the casserole rest for 5 minutes before serving.

Variations

• Swap peas for broccoli or green beans.
• Use Swiss cheese or Gruyère for a different flavor profile.
• Add cooked mushrooms for extra depth.
• Make it spicy with a pinch of crushed red pepper.

Serving Suggestions

• Serve with a simple green salad.
• Pair with garlic bread or dinner rolls.
• Add roasted vegetables on the side.
• Enjoy as a stand-alone comfort meal.

Storage Information

• Store leftovers in an airtight container in the refrigerator for up to 3 days.
• Reheat gently in the oven or microwave.
• This casserole freezes well for up to 2 months.

FAQ

• Can I make this ahead of time?
  Yes, assemble and refrigerate, then bake when ready.
• Can I use fresh peas?
  Yes, blanch them briefly first.
• What pasta works best?
  Short, sturdy shapes hold the sauce best.

History / Fun Facts
Casseroles became popular in the mid-20th century as affordable, family-friendly meals that could feed many with minimal effort. Ham and cheese combinations have long been favorites due to their rich, savory balance and comforting familiarity.