Caramelised Red Onion, Prosciutto and Mushroom Tart

Tuesday 28 July 2015 by

This delicious, cheap meal is quick and easy to make. Full of flavour, it’s a great lightweight dinner…

Caramelised red onion prosciutto and mushroom tart, #HoBSummerEats, Pastry, Baking

Caramelised red onion, prosciutto and mushroom tart – serves two

You will need:

  • Frying pan
  • Baking tray
  • Brush


  • 4 tbsp oil
  • 5 red onions, thinly sliced
  • 1 tsp dried or 2 tsp fresh thyme
  • 1 tbsp balsamic vinegar
  • 500g pack puff pastry
  • 4 thin slices prosciutto
  • 400g open cup mushrooms
  • 100g firm goats cheese

Caramelised red onion prosciutto and mushroom tart, #HoBSummerEats, Pastry, Baking

How to make it:

Heat 3 tbsp oil in a frying pan, add the onion and gently cook until softened, about 10 minutes. Add the thyme, vinegar, salt and pepper and cook for 5 minutes more, stirring occasionally to stop them burning. Set aside to cool.

Heat oven to 200C/180C fan/Gas 6. Roll out the pastry and either trim to a round or cut into individual squares then put on a non-stick baking sheet. Fork the pastry all over

Spread the onion over the pastry to within 3cm of the edge. Tear the prosciutto into strips and arrange over the onion in a rippled effect. Arrange the mushrooms on top and brush them with the reserved oil. Slice or crumble the cheese and arrange over the tart. Season with salt and pepper.

Push the side of the tart up with your fingers to form an edge. Bake for 30-35 minutes until the pastry edges have puffed up and the mushrooms are tender.

Cathy is a wife, mother and portfolio career woman; she loves reading and would happily spend every hour of every day with her nose buried in a good book. A bilingual and word-whizz, she can also complete The Times Su Doku in 10 minutes flat… if it’s easy.

You can follow her on Twitter @JustNiceCathy

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