Wild Mushroom, Leek & Gruyère Flan | Home Beautiful

Ingredients

• Pastry
• 1½ cups plain flour
• 125g butter, chilled
• ½ (50g) cup finely grated smoked cheddar
• 1 egg yolk
• ¼ cup chilled water
• Filling
• 2 tbsp olive oil
• 1 leek, white part only, thinly sliced
• 200g mixed gourmet mushrooms (we used shiitake, enoki and pink oyster)
• 50g butter
• 2 garlic cloves, finely chopped
• 60g chestnut mushrooms (optional)
• 200g Swiss brown mushrooms, thinly sliced
• 5 sprigs fresh thyme
• Sea salt and cracked black pepper
• ½ cup (50g) grated gruyère
• 3 eggs
• 300ml thickened cream