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 Broccoli Casserole?

You need 11 ingredients. The key ingredients include: 2 (16 ounce) packages chopped frozen broccoli, 2 (16 ounce) packages frozen chopped spinach, 1 cup light mayonnaise, 2 (10 1/2 ounce) cans cream of mushroom soup, and more.

Is Spinach And Broccoli Casserole suitable as vegetarian?

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

How do I store leftover Spinach And Broccoli Casserole?

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

Spinach And Broccoli Casserole Recipe

Name: Spinach And Broccoli Casserole
Prep time: 15 min
Cook time: 30 min
Total time: 45 min
Yield: 4 servings
Ingredients: 2 (16 ounce) packages chopped frozen broccoli; 2 (16 ounce) packages frozen chopped spinach; 1 cup light mayonnaise; 2 (10 1/2 ounce) cans cream of mushroom soup; 1/2 cup grated parmesan cheese; 1 cup chopped red onion; 1/2 cup grated sharp cheddar cheese; 1 (8 ounce) can chopped mushrooms, drained; 1/2 teaspoon red pepper; 4 eggs; salt

Try this homemade Spinach And Broccoli Casserole recipe the whole family will love. Made with frozen broccoli, spinach, light mayonnaise and cream of mu…

This Spinach And Broccoli Casserole relies on simple, everyday ingredients such as light mayonnaise, grated parmesan cheese, chopped red onion and grated sharp cheddar cheese. It comes together quickly and makes 4 servings, at about 731 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

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

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

Saved locally in your browser — visible only to you.

Spinach And Broccoli Casserole

Tips for the best results

Variations & substitutions

My Personal Notes

How did you like this recipe?

Frequently Asked Questions