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Ratatouille Tart from Miele

food

02 October 2026

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. 

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.  


Ratatouille Tart
 

  • Preheat the oven on Fan Grill at 200°C.  
  • Combine the capsicum, zucchini, eggplant and red onion with the olive oil, thyme and salt flakes.  
  • Arrange the vegetables on a universal tray, ensuring the capsicum is skin-side up. Place on shelf level 4 and cook for 12 minutes, or until tender.  
  • Remove the capsicum skin and transfer all vegetables to a wire rack to drain any excess liquid.  
  • Change the oven function to Intensive Bake at 170°C and position the rack on shelf level 1.  
  • Spread the caramelised onion over the pastry, followed by an even layer of mozzarella custard.  
  • Arrange the roasted vegetables over the custard and top with the sliced mozzarella.  
  • Crimp the pastry edges to form a protective border.  
  • Cook on Intensive Bake at 170°C for 35 minutes, or until the pastry base is cooked.  
  • Change the oven function to Fan Plus at 200°C. Add the cherry tomatoes to the tart and cook for a further 5 minutes.  


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.