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 Spinach And Mushroom Casserole?

You need 7 ingredients. The key ingredients include: 2 tablespoons butter, 1 pound fresh mushrooms, sliced, 2 (10 ounce) packages fresh spinach, rinsed and stems removed, 1 teaspoon salt, and more.

Is Spinach And Mushroom Casserole suitable as vegetarian?

Yes, Spinach And Mushroom Casserole falls under the Vegetarian category and is a great choice for this type of meal.

How do I store leftover Spinach And Mushroom Casserole?

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

Spinach And Mushroom Casserole Recipe

Name: Spinach And Mushroom Casserole
Prep time: 15 min
Cook time: 30 min
Total time: 45 min
Yield: 4 servings
Ingredients: 2 tablespoons butter; 1 pound fresh mushrooms, sliced; 2 (10 ounce) packages fresh spinach, rinsed and stems removed; 1 teaspoon salt; 4 tablespoons butter, melted; 1/4 cup finely chopped onion; 1 1/2 cups shredded Cheddar cheese, divided

Try this homemade Spinach And Mushroom Casserole recipe the whole family will love. Made with butter, mushrooms, fresh spinach and salt. Easy step-by-st…

This Spinach And Mushroom Casserole relies on simple, everyday ingredients such as butter, fresh mushrooms, sliced, salt and butter, melted. It comes together quickly and makes 4 servings, at about 363 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 Vegetarian

Servings: persons

2 tablespoons butter
1 pound fresh mushrooms, sliced
2 (10 ounce) packages fresh spinach, rinsed and stems removed
1 teaspoon salt
4 tablespoons butter, melted
1/4 cup finely chopped onion
1 1/2 cups shredded Cheddar cheese, divided

Frequently Asked Questions

Quick Info

Servings
4 servings
Calories
363 kcal
Category
Vegetarian

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