Go Back
Broccoli and cauliflower gratin baked in the oven until golden.

Easy Broccoli and Cauliflower Gratin with Cream and Cheese

This creamy, cheesy vegetable gratin features tender broccoli and cauliflower baked in a rich cream sauce with melted cheese and golden crust. A comforting side dish or light vegetarian main that's simple and satisfying.
Prep Time 10 minutes
Cook Time 20 minutes
Total Time 30 minutes
Course Side Dish
Cuisine European, French
Servings 5

Ingredients
  

  • 1 head broccoli cut into small florets
  • 1 head cauliflower cut into small florets
  • 500 ml cream 10–15%
  • 150 g grated cheese such as Biraghi or cheddar
  • 1 tbsp all-purpose flour about 20 g
  • 2 tbsp unsalted butter
  • Salt and black pepper to taste

Instructions
 

  • Cut broccoli and cauliflower into small florets.
  • Soak in salted water for 5 minutes, then drain.
  • Boil in salted water for 5 minutes. Drain and set aside.
  • In a saucepan, melt butter over medium heat.
  • Add flour and stir for 1–2 minutes until smooth.
  • Pour in cream and bring to a gentle boil.
  • Stir in ⅔ of the grated cheese. Season with salt and pepper.
  • Place vegetables in a greased baking dish.
  • Pour cheese sauce over the top.
  • Sprinkle with remaining cheese.
  • Bake at 180°C (350°F) for 15 minutes.
  • Switch to top grill/broiler for 5 minutes until golden.
  • Serve warm as a side or light main.

Notes

Use strong-flavored cheese like Gruyère, Biraghi, or cheddar.
Don’t overcook the vegetables during boiling — they should stay firm.
You can prepare this ahead and bake just before serving.
Add a pinch of nutmeg or garlic powder for extra depth.
Keyword baked broccoli and cauliflower, broccoli and cauliflower gratin, cheesy vegetable casserole, creamy vegetable bake