Our ham tetrazzini casserole is a delicious twist on the traditional turkey tetrazzini recipe. It’s a blend of ham, spaghetti, Parmesan cheese, a creamy sauce, and seasonings. It’s a delicious one-pot meal and an excellent way to give leftover ham new life.

The main ingredient in our tetrazzini is diced ham, a savory, slightly salty meat that pairs beautifully with earthy mushrooms. Layers of flavor are added with nutty Parmesan cheese, a dash of nutmeg, and the subtle sweetness of peas. A rich, velvety sauce ties it all together, its creaminess balanced by a splash of sherry, which adds a touch of sophistication. Whether served as a family dinner or a potluck offering, this casserole is a crowd-pleaser that’s easy to prepare yet tastes like it took hours.

You’ll love its versatility. Customize the casserole to suit your taste—swap out the peas for broccoli or omit them entirely if you prefer. A layer of golden Parmesan cheese adds just the right amount of crunch to every yummy forkful.

You can’t go wrong with a ham tetrazzini casserole. It’s simple, satisfying, and absolutely packed with flavor!

Is Tetrazzini an Italian Dish?

Tetrazzini is named for an Italian opera singer, Luisa Tetrazzini. Details are sketchy, but most believe the dish was first prepared in a San Francisco restaurant as a tribute to her. It is traditionally made with pasta, a creamy sauce, mushrooms, and a protein—typically turkey, chicken, or seafood.

Recipe Variations

  • Protein: Replace the ham with cooked turkey, chicken, or tuna.
  • Vegetables: Instead of peas, add lightly steamed broccoli florets or steamed peas and carrots.
  • Cheese: Double down on the Parmesan cheese in the sauce and topping, or use a different cheese to top the casserole. Try mozzarella, fontina, or a mild cheddar cheese.
  • Crunchy Breadcrumb Topping: Toss 3/4 cup of panko crumbs with 2 tablespoons of melted butter. Add the Parmesan reserved for topping and sprinkle over the casserole before baking.

How to Store and Reheat

  • Transfer the tetrazzini to a covered container and refrigerate it for up to 3 to 4 days.
  • To reheat in the oven, put the tetrazzini in a baking dish and add a splash of broth or water. Cover it with foil and bake in a preheated 350 F oven for 20 to 25 minutes or until it reaches 165 F.
  • To reheat in the microwave, transfer it to a microwave-safe container and cover it with a damp paper towel—microwave on high, stirring every 30 to 45 seconds until hot.
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Ham Tetrazzini

Ham tetrazzini in the baking dish being served.

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Elevate your leftover ham with our ham tetrazzini casserole. Creamy, cheesy, and oh-so-satisfying. It’s a meal the whole family will love.

  • Author: Diana Rattray
  • Prep Time: 15 minutes
  • Cook Time: 35 minutes
  • Total Time: 50 minutes
  • Yield: 6 servings 1x
  • Category: Pasta, Ham
  • Method: Bake
  • Cuisine: American

Ingredients

Scale
  • 8 ounces spaghetti
  • 1/3 cup butter
  • 6 ounces sliced mushrooms
  • 2 to 3 cups ham (diced, cooked)
  • 1/3 cup all-purpose flour
  • 1 cup low sodium chicken stock
  • 2 tablespoon dry sherry (optional)
  • 1 1/4 cups heated milk
  • 1/2 cup heavy cream
  • 1/2 teaspoon pepper
  • 1/8 teaspoon ground nutmeg
  • Salt (to taste)
  • 2/3 cup grated Parmesan cheese (divided)
  • 1 cup steamed peas (optional)

Instructions

  1. Heat the oven to 400 F. Butter a 2-quart baking dish.
    A yellow buttered baking dish (Dansk).
    Credit: Diana Rattray
  2.  Cook the spaghetti in boiling salted water for 1 minute less than the package instructions for al dente. Drain.
    Cooked spaghetti in a strainer.
    Credit: Diana Rattray
  3. Melt the butter in a large skillet; add the mushrooms and ham and cook until the mushrooms are browned and the liquids have evaporated. Add the flour to the pan and cook, stirring, for 2 to 3 minutes. Add the chicken broth,  sherry (if using), milk, cream, pepper, and nutmeg; cook until thickened. Taste and add salt, as needed.
    Creamy sauce with mushrooms and ham for ham tetrazzini.
    Credit: Diana Rattray
  4. Add half of the Parmesan cheese and the optional peas if using. Stir the drained spaghetti into the sauce mixture until well blended.
    The spaghetti is combined with the ham and mushroom sauce mixture to make a ham tetrazzini casserole.
    Credit: Diana Rattray
  5. Transfer the spaghetti mixture to a 2 quart baking dish and sprinkle with the remaining Parmesan cheese.
    Ham tetrazzini topped with Parmesan cheese, ready to be baked.
    Credit: Diana Rattray
  6. Bake for 25 to 30 minutes.
    Freshly baked ham tetrazzini in a Dansk baking dish.
    Credit: Diana Rattray

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