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 And Cauliflower Gratin?

You need 10 ingredients. The key ingredients include: 2 cups broccoli florets, 2 cups cauliflower florets, 1 1/2 cups mayonnaise, 1 cup cheddar cheese, grated, and more.

Is Broccoli And Cauliflower Gratin suitable as vegetarian?

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

How do I store leftover Broccoli And Cauliflower Gratin?

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

Broccoli And Cauliflower Gratin Recipe

Name: Broccoli And Cauliflower Gratin
Prep time: 15 min
Cook time: 30 min
Total time: 45 min
Yield: 4 servings
Ingredients: 2 cups broccoli florets; 2 cups cauliflower florets; 1 1/2 cups mayonnaise; 1 cup cheddar cheese, grated; 1/2 cup parmesan cheese; 4 green onions, sliced; 2 tablespoons Dijon mustard; 1/4 teaspoon ground red pepper; 3 tablespoons breadcrumbs; oregano

Try this homemade Broccoli And Cauliflower Gratin recipe the whole family will love. Made with broccoli florets, cauliflower florets, mayonnaise and che…

This Broccoli And Cauliflower Gratin relies on simple, everyday ingredients such as broccoli florets, cauliflower florets, mayonnaise and cheddar cheese, grated. It comes together quickly and makes 4 servings, at about 940 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

Feel free to swap in similar ingredients you already have on hand and adjust seasoning to taste.

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

My Personal Notes

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Broccoli And Cauliflower Gratin

Tips for the best results

Variations & substitutions

My Personal Notes

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