Courgette and Parmesan gratin recipe

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This courgette and Parmesan gratin takes a basic vegetable and turns it into something really special that even picky eaters will enjoy.

Courgette and Parmesan gratin in an oval baking dish
(Image credit: Getty / OlgaLepeshkina)
Serves4
SkillEasy
Preparation Time10 mins
Cooking Time20 mins
Total Time30 mins
Cost RangeCheap
Octavia Lillywhite's avatar
By ,
last updated
in Recipes

This courgette and Parmesan gratin is one of our favourite ways to use courgettes when they in season, cheap and plentiful. 

Courgette season runs from June to September, and you can often find them on offer during this time, making this recipe really affordable - one of our best cheap family meals. Every parent knows the trials of getting little ones to eat their vegetables. But one sure fire way to help is knowing how to cook each vegetable in a multitude of ways. So if they sniff their nose up at boiled greens, this tasty recipe might just do the trick. Layers of sweet caramelised onions and soft, stock-soaked courgettes baked in the oven topped with gooey, melted cheese. We find even the pickiest eaters can be won over by this. It's also a great side dish to serve with a Sunday roast chicken, lamb or pork. 

Ingredients

  • 1 large onion, thinly sliced into half moons
  • 2tbsp olive oil
  • 2 garlic cloves, crushed
  • 4 courgettes, sliced on a diagonal
  • 100g Parmesan, grated
  • 250ml veg stock

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Method

  1. Preheat oven to 200°C/400°F/Gas Mark 6. Fry the onion and garlic in 1tbsp of the olive oil in a frying pan on a low heat for 15mins until golden and caramelised. Set aside.
  2. Layer the courgette slices in a single layer of a buttered oven proof dish. Top with a layer of the cooked onions. Repeat layers, finishing with courgettes.
  3. Pour the stock over the vegetables and top with ¾ of the parmesan. Bake in oven for 20mins until golden and bubbling. Before serving, sprinkle the remaining grated parmesan over the top.

Top tip for making courgette and Parmesan gratin

If you’re not a fan of the tangy taste of Parmesan, then try any melting cheese, such as Gruyere, Cheddar or Swiss.

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