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 Broccoli-Spinach Casserole?

You need 11 ingredients. The key ingredients include: 2 (10-oz.) packages frozen chopped broccoli, thawed, 2 (10-oz.) packages frozen chopped spinach, thawed and drained, 2 (10 3/4-oz.) cans cream of mushroom soup, 4 large eggs, lightly beaten, and more.

Is Broccoli-Spinach Casserole suitable as vegetarian?

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

How do I store leftover Broccoli-Spinach Casserole?

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

Broccoli-Spinach Casserole Recipe

Name: Broccoli-Spinach Casserole
Prep time: 15 min
Cook time: 30 min
Total time: 45 min
Yield: 4 servings
Ingredients: 2 (10-oz.) packages frozen chopped broccoli, thawed; 2 (10-oz.) packages frozen chopped spinach, thawed and drained; 2 (10 3/4-oz.) cans cream of mushroom soup; 4 large eggs, lightly beaten; 1 large sweet onion, diced; 2 cups (8 oz.) shredded sharp Cheddar cheese; 1 cup mayonnaise; 1 teaspoon salt; 1/2 teaspoon pepper; 1/2 teaspoon garlic powder; 36 round buttery crackers, crushed

Try this homemade Broccoli-Spinach Casserole recipe the whole family will love. Made with broccoli, cream of mushroom soup, eggs and sweet onion. Easy s…

This Broccoli-Spinach Casserole relies on simple, everyday ingredients such as large eggs, lightly beaten, large sweet onion, diced, mayonnaise and salt. It comes together quickly and makes 4 servings, at about 7282 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

7282

kcal

Calories

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.

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Broccoli-Spinach Casserole

Tips for the best results

Variations & substitutions

My Personal Notes

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