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 And Broccoli Gratin?

You need 10 ingredients. The key ingredients include: 5 5/8 cups cauliflower cut into florets, 4 Hellmann's Real Mayonnaise dollops*, 2 3/4 cups broccoli cut into florets, 250ml semi skimmed milk, and more.

Is Cauliflower And Broccoli Gratin suitable as vegetarian?

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

How do I store leftover Cauliflower And Broccoli Gratin?

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

Cauliflower And Broccoli Gratin Recipe

Name: Cauliflower And Broccoli Gratin
Prep time: 15 min
Cook time: 30 min
Total time: 45 min
Yield: 4 servings
Ingredients: 5 5/8 cups cauliflower cut into florets; 4 Hellmann's Real Mayonnaise dollops*; 2 3/4 cups broccoli cut into florets; 250ml semi skimmed milk; 3 eggs; 7 1/16 tablespoons cheddar mature, grated; 4 tablespoons Parmesan finely grated; 1 1/2 teaspoons dijon mustard; 7/8 ounce Flora Buttery; 3 1/4 tablespoons flour

Try this homemade Cauliflower And Broccoli Gratin recipe the whole family will love. Made with cauliflower, Mayonnaise, broccoli and milk. Easy step-by-…

This Cauliflower And Broccoli Gratin relies on simple, everyday ingredients such as cauliflower cut into florets, broccoli cut into florets, semi skimmed milk and eggs. It comes together quickly and makes 4 servings, at about 1227 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

1227

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.
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.

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Cauliflower And Broccoli Gratin

Tips for the best results

Variations & substitutions

My Personal Notes

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