Spinach, Onion & Feta Tart - Carême Pastry

Ingredients

• 1 (375g packet) Carême Butter Puff Pastry, defrosted
• 2 brown onions
• 3 tablespoons olive oil
• 1 dessert spoon brown sugar
• 1 large bunch spinach
• 2 cloves garlic, sliced
• 200g Feta, crumbled
• 1 teaspoon coriander seeds, smashed in a pestle & mortar
• Zest of 1 unwaxed lemon
• Preheat oven to 200c fan-forced (220 non-fan). Line a baking tray with baking paper.
• Dust work surface and pastry with flour, roll sheet to approx. 31cm x 31cm, cut sheet in half.