Roasted vegetable tart

1 garlic clove
1 tbsp capers
1 leek
2 desiree potatoes
1 red onion
2 zucchini
3 roma tomatoes
olive oil
1 tbsp balsamic vinegar
2 cups plain wholemeal flour
1 tsp baking powder
1/2 cup grated parmesan
1/2 cup extra virgin olive oil
1/3 cup cold water
extra flour for kneading
extra cup grated parmesan

1. preheat oven to 200C. Line a large oven tray with baking paper. Peel and crush garlic clove with capers until a paste.
2. Thinly slice leek and put in a large bowl. Cut potatoes into paper thin slices and add to leek. Cut oinon and zucchini into rounds and tomatoes into 1cm thick slices and add to leek. Add 1 tbsp olive oil and vinegar and toss to combine. Spread vegetable mixture on prepared tray and bake for 15-20 minutes.
3. Sift wholemeal flour and baking powder into a large mixing bowl, add grated parmesan and stir to combine. Make a well in the centre of the dry ingredients, add the extra virgin olive oil and water, and mix to form a stiff dough. Turn the dough out onto a lightly floured surface and knead into a ball. Wrap in plastic and refrigerate for 10 mins.
4. Brush the base and sides of a 26cm springform tin with olive oil. Roll out pastry between 2 sheets of plastic into a 5mm thick round, large enough to completely line the tin. Removing plastic, turn pastry into tin. Spread paste over pastry base and top with roasted vegies. Sprinkle over extra parmesan and fold in any overhanging pastry. Bake for 25-30 mins or until pastry is golden and crisp. Serve immediately.