Mary Berry Cheese and Onion Quiche Pie Recipe 🧀🥧 - British Recipes Book

Ingredients

• 250g plain flour, plus extra for dusting
• 125g unsalted butter, chilled and diced
• 25g Parmesan, grated (or similar vegetarian hard cheese)
• 4–5 tbsp iced water
• 1 tsp cider or white wine vinegar
• 4 onions, each cut into 8 wedges through the root
• 2 garlic cloves, unpeeled and left whole
• 2 tbsp olive oil
• 4 free-range eggs, plus 3 free-range egg yolks
• 300ml double cream
• 2 tsp Dijon mustard
• 1 rosemary sprig, leaves picked and finely chopped
• 2 tbsp chopped fresh flatleaf parsley
• 100g cheddar or gruyère, coarsely grated
• 100g brie, chopped or torn into small pieces
• salt and freshly ground black pepper