How many servings does this recipe make?

This recipe makes 4 servings. You can adjust the portion size directly on this page.

What ingredients do I need for Slow Cooker Ham Tetrazzini?

You need 10 ingredients. The key ingredients include: 1 each soup, cream of mushroom 10 oz can, 1/2 cup evaporated milk or scalded milk, 1 1/2 teaspoon horseradish, 1/2 cup romano cheese or parmesan cheese, grated, and more.

Is Slow Cooker Ham Tetrazzini suitable as general?

Yes, Slow Cooker Ham Tetrazzini falls under the General category and is a great choice for this type of meal.

How do I store leftover Slow Cooker Ham Tetrazzini?

Store leftovers in an airtight container in the refrigerator for up to 3–4 days. Reheat gently before serving.

Slow Cooker Ham Tetrazzini Recipe

Name: Slow Cooker Ham Tetrazzini
Prep time: 15 min
Cook time: 30 min
Total time: 45 min
Yield: 4 servings
Ingredients: 1 each soup, cream of mushroom 10 oz can; 1/2 cup evaporated milk or scalded milk; 1 1/2 teaspoon horseradish; 1/2 cup romano cheese or parmesan cheese, grated; 1 1/2 cup ham cooked, cubed; 1/2 cup olives stuffed, sliced; 1 each mushrooms, canned sliced, 4 oz can, drained; 1/4 cup sherry or dry white wine; 1 each spaghetti 5 oz package; 2 tablespoons butter melted

Try this homemade Slow Cooker Ham Tetrazzini recipe the whole family will love. Made with cream of mushroom, milk, horseradish and romano cheese. Easy s…

This Slow Cooker Ham Tetrazzini relies on simple, everyday ingredients such as horseradish, ham cooked, cubed, olives stuffed, sliced and sherry or dry white wine. It comes together quickly and makes 4 servings, at about 280 kcal each. The step-by-step instructions below are written to be easy to follow, even on a busy day.

It's versatile enough for an easy weeknight dinner yet satisfying enough for guests at the weekend. Serve it with your favorite sides, and keep any leftovers for a quick meal the next day.

Updated Jun 30, 2026

Serves 4 General

Tips for the best results

Read through all the steps once before you start and measure out your ingredients first — it makes everything go more smoothly.
Taste as you go and adjust the seasoning before serving.
Avoid overcrowding the pan — cook in batches if needed for the best texture.
Let the dish rest for a few minutes before serving so the flavors settle.
Store leftovers in an airtight container in the fridge and enjoy within a few days.

Variations & substitutions

Use a neutral oil or a plant-based spread in place of butter for a dairy-free version.
Coconut cream is a reliable plant-based alternative to dairy cream.

No specific allergen information. Please check the ingredient list for possible allergens.

My Personal Notes

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Slow Cooker Ham Tetrazzini

Tips for the best results

Variations & substitutions

My Personal Notes

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Frequently Asked Questions