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 Cauliflower Casserole?

You need 12 ingredients. The key ingredients include: 1 can (10.75 Oz. Can) Cream Of Mushroom Soup, 2 whole Eggs, Beaten, 1/2 cups Onion, Chopped, 1 cup Mayonnaise, and more.

Is Broccoli Cauliflower Casserole suitable as vegetarian?

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

How do I store leftover Broccoli Cauliflower Casserole?

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

Broccoli Cauliflower Casserole Recipe

Name: Broccoli Cauliflower Casserole
Prep time: 15 min
Cook time: 30 min
Total time: 45 min
Yield: 4 servings
Ingredients: 1 can (10.75 Oz. Can) Cream Of Mushroom Soup; 2 whole Eggs, Beaten; 1/2 cups Onion, Chopped; 1 cup Mayonnaise; 1 teaspoon Salt; 1 dash Pepper; 16 ounces, weight Frozen Broccoli, Thawed; 16 ounces, weight Frozen Cauliflower, Thawed; 8 ounces, weight Bean Sprouts, Drained; 5 ounces, weight Water Chestnuts, Sliced, Drained; 8 ounces, weight Grated Cheddar Cheese; 8 ounces, weight Grated Mozzarella Cheese

Try this homemade Broccoli Cauliflower Casserole recipe the whole family will love. Made with Cream Of Mushroom Soup, Eggs, Onion and Mayonnaise. Easy s…

This Broccoli Cauliflower Casserole relies on simple, everyday ingredients such as whole eggs, beaten, onion, chopped, mayonnaise and salt. It comes together quickly and makes 4 servings, at about 975 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.

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Broccoli Cauliflower Casserole

Tips for the best results

Variations & substitutions

My Personal Notes

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