Cauliflower and broccoli gratin

Cauliflower and broccoli gratin


4 people made this

About this recipe: A favourite vegetarian dish gets a new twist here, with super-healthy broccoli added to cauliflower, in a cheese sauce thickened with breadcrumbs. Crunchy walnuts on top make this mouth-wateringly good. It's just as good served on its own or as a side dish.

Zoë Harpham

Serves: 4 

  • 1 large cauliflower
  • 500 g broccoli
  • 3 spring onions, sliced
  • ¼ cup (25 g) cornflour
  • 2,1/4 cups (550 ml) low-fat milk
  • ⅔ cup (75 g) grated mature cheddar or gruyère cheese
  • 1 egg, beaten
  • 1⅔ cups (100 g) fresh breadcrumbs
  • ¼ cup (25 g) walnuts

Prep:20min  ›  Cook:25min  ›  Ready in:45min 

  1. Preheat the oven to 190°C. Trim away the leaves from the cauliflower, then cut off the florets from the main stem. Cut the broccoli florets away from the stem. Blanch both the cauliflower and broccoli florets in a large saucepan of boiling water for 1 minute, then drain thoroughly.
  2. Put the spring onions into the same saucepan. Mix the cornflour with a little of the milk in a large heatproof bowl to make a smooth paste. Pour the rest of the milk into the saucepan with the spring onions and bring the milk to the boil. Stir half of the hot milk into the bowl with the cornflour paste, mix well, then return the entire mixture to the saucepan. Bring the mixture to the boil, stirring frequently, to make a smooth white sauce.
  3. Remove the white sauce from the heat and stir in the grated cheese, beaten egg and half the breadcrumbs. Stir in the blanched vegetables and season to taste with freshly ground black pepper.
  4. Transfer the vegetable mixture to a greased, ovenproof baking dish or gratin dish. Scatter the rest of the breadcrumbs and the walnuts over the top of the vegetables, then bake for about 20 minutes until golden. Serve immediately.

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