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 Cauliflower-Vegetable Casserole?

You need 10 ingredients. The key ingredients include: 1 large head cauliflower, 1 c. sliced fresh mushrooms, 1 c. sliced carrots or peas, 1/4 c. diced green pepper, and more.

Is Cauliflower-Vegetable Casserole suitable as vegetarian?

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

How do I store leftover Cauliflower-Vegetable Casserole?

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

Cauliflower-Vegetable Casserole Recipe

Name: Cauliflower-Vegetable Casserole
Prep time: 15 min
Cook time: 30 min
Total time: 45 min
Yield: 4 servings
Ingredients: 1 large head cauliflower; 1 c. sliced fresh mushrooms; 1 c. sliced carrots or peas; 1/4 c. diced green pepper; 1/4 c. diced sweet red pepper; 1/4 c. melted margarine; 1/4 c. flour; 2 c. milk; 1 tsp. salt; 1 c. shredded Swiss cheese (optional)

Try this homemade Cauliflower-Vegetable Casserole recipe the whole family will love. Made with head cauliflower, mushrooms, carrots and green pepper. Ea…

This Cauliflower-Vegetable Casserole relies on simple, everyday ingredients such as large head cauliflower, sliced fresh mushrooms, sliced carrots or peas and diced green pepper. It comes together quickly and makes 4 servings, at about 422 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

A good 1:1 gluten-free flour blend works well if you need a gluten-free version.

No specific allergen information. Please check the ingredient list for possible allergens.

My Personal Notes

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Cauliflower-Vegetable Casserole

Tips for the best results

Variations & substitutions

My Personal Notes

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Frequently Asked Questions