Celebrating the flavours of seasonal vegetables, this Ratatouille Tart from Miele layers roasted vegetables, caramelised red onion and creamy mozzarella custard within a crisp parmesan pastry. Finished with cherry tomatoes and fresh basil, it’s a colourful, flavourful dish perfect for spring entertaining
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02 October 2026
Ingredients
Parmesan Pastry
- 120g (¾ cup) wholemeal flour
- 75g (½ cup) plain flour
- 60g parmesan, finely grated
- ½ tsp salt flakes
- 125g unsalted butter, cold
- 60ml (¼ cup) iced water
Caramelised Red Onion
- 2 red onions, thinly sliced
- 2 tbsp olive oil
- ½ tsp salt flakes
- 20g unsalted butter
- 1 tbsp red wine vinegar
Mozzarella Custard
- 120g firm mozzarella, grated
- 2 egg yolks
- 160g sour cream
Pinch of freshly ground black pepper
Ratatouille Tart
- 1 red or yellow capsicum, cut into wedges
- 1 zucchini, sliced 1cm lengthways
- 1 small eggplant, sliced into 1cm rounds
- 1 small red onion, sliced into 1cm rounds
- 100g cherry tomatoes on the vine
- 2 tbsp olive oil
- 1 tsp thyme leaves
- Salt flakes and pepper, to taste
- 80g firm mozzarella, sliced
To Serve
- Basil leaves
Equipment
- Miele oven
- Perforated round baking tray
- Universal tray
- Wire rack
- Frying pan
- Mixing bowls
- Box grater
Method
Parmesan Pastry
- Combine the wholemeal flour, plain flour, parmesan and salt in a bowl.
- Using a box grater, grate the cold butter into the flour mixture.
- Add the iced water and use your fingertips to mix until a soft dough forms.
- Shape into a 20cm flat disc, cover with cling wrap and rest for 30 minutes.
- Roll the pastry into a 32cm circle and place onto a perforated round baking tray.
Caramelised Red Onion
- Place the onions, olive oil and salt in a frying pan over medium heat on induction setting 6.
- Cook for 6 minutes, stirring occasionally, or until the onions are tender.
- Add the butter and red wine vinegar and continue cooking for 10 minutes, or until all the liquid has evaporated.
Mozzarella Custard
- Combine all ingredients and set aside until needed.
To Serve
- Allow the tart to cool slightly, scatter with fresh basil leaves and serve.
Tip: The tart can also be prepared as individual mini tartlets for entertaining.



