Food and Travel Magazine | Vegetarian coca

Ingredients

• 12g fresh yeast (or 7g sachet fast-action dried yeast)
• 330ml lukewarm water
• pinch sugar
• 500g plain flour, plus extra for dusting
• 1tbsp extra virgin olive oil
• fine polenta, for dusting
• 1 small, firm pumpkin, cut into small wedges
• 2 red onions, cut into wedges
• olive oil, for drizzling and brushing
• few sprigs thyme (or sage)
• 150g chestnuts