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 Onion Cheese Casserole?

You need 7 ingredients. The key ingredients include: 2 large white onions, sliced, 2 large red onions, sliced, 12 green onions, sliced (with some green tops, too), 3 Tbsp. butter, and more.

Is Onion Cheese Casserole suitable as general?

Yes, Onion Cheese Casserole falls under the General category and is a great choice for this type of meal.

How do I store leftover Onion Cheese Casserole?

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

Onion Cheese Casserole Recipe

Name: Onion Cheese Casserole
Prep time: 15 min
Cook time: 30 min
Total time: 45 min
Yield: 4 servings
Ingredients: 2 large white onions, sliced; 2 large red onions, sliced; 12 green onions, sliced (with some green tops, too); 3 Tbsp. butter; 1 tsp. pepper (white if you have); 4 c. Havarti cheese or Swiss; 3/4 c. dry white wine or use chicken broth

Try this homemade Onion Cheese Casserole recipe the whole family will love. Made with white onions, red onions, green onions and butter. Easy step-by-st…

This Onion Cheese Casserole relies on simple, everyday ingredients such as large white onions, sliced, large red onions, sliced, butter and pepper (white if you have). It comes together quickly and makes 4 servings, at about 1275 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

2 large white onions, sliced
2 large red onions, sliced
12 green onions, sliced (with some green tops, too)
3 Tbsp. butter
1 tsp. pepper (white if you have)
4 c. Havarti cheese or Swiss
3/4 c. dry white wine or use chicken broth

Frequently Asked Questions

Quick Info

Servings
4 servings
Calories
1275 kcal
Category
General

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Onion Cheese Casserole

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