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 Ham and Swiss in a Bun?

You need 9 ingredients. The key ingredients include: 3 tablespoons butter (or margarine), 3 cups sliced fresh mushrooms (canned if you must), 3 tablespoons sliced green onions, 1 ½ tablespoons flour, and more.

Is Ham and Swiss in a Bun suitable as general?

Yes, Ham and Swiss in a Bun falls under the General category and is a great choice for this type of meal.

How do I store leftover Ham and Swiss in a Bun?

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

Ham and Swiss in a Bun Recipe

Name: Ham and Swiss in a Bun
Prep time: 15 min
Cook time: 30 min
Total time: 45 min
Yield: 4 servings
Ingredients: 3 tablespoons butter (or margarine); 3 cups sliced fresh mushrooms (canned if you must); 3 tablespoons sliced green onions; 1 ½ tablespoons flour; ¾ cup milk; salt and pepper; 4 large sandwich buns, halved (we use sourdough); 8 slices ham; 4 slices swiss cheese (sharp cheddar is good too)

Try this homemade Ham and Swiss in a Bun recipe the whole family will love. Made with butter, fresh mushrooms, green onions and flour. Easy step-by-step…

This Ham and Swiss in a Bun relies on simple, everyday ingredients such as butter (or margarine), sliced green onions, flour and milk. It comes together quickly and makes 4 servings, at about 386 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

Servings: persons

3 tablespoons butter (or margarine)
3 cups sliced fresh mushrooms (canned if you must)
3 tablespoons sliced green onions
1 ½ tablespoons flour
¾ cup milk
salt and pepper
4 large sandwich buns, halved (we use sourdough)
8 slices ham
4 slices swiss cheese (sharp cheddar is good too)

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Quick Info

Servings
4 servings
Calories
386 kcal
Category
General

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