Beetroot goat cheese thyme galette - Multix

Ingredients

• 2 medium beetroots, peeled
• 2 large brown onions, peeled and sliced
• 2 medium garlic cloves, crushed
• 3 tablespoons extra virgin olive oil
• 1 tablespoon dark brown sugar
• 2 tablespoons balsamic vinegar
• 2 tablespoons of fresh thyme leaves and a few stems to garnish
• sea salt and freshly ground black pepper
• 100g soft goat cheese or Persian feta, crumbled
• 1 30x 30cm sheet of good quality defrosted puff pastry or 250g homemade pastry
• 1 egg, lightly beaten