Pithivier of Potato, Portobello Mushroom and Gruyère, Braised Leeks and Mushroom Bisque Recipe - Gre

Ingredients

• 1kg button mushrooms, thinly sliced
• 125g of butter
• 200ml of whipping cream
• salt
• 1 lemon, juiced
• 2 large potatoes, red ones, sliced into 4, 1cm thick slices
• 400g of spinach, large leaf is possible
• finely ground black pepper
• 8 portobello mushrooms, peeled and de-stalked
• 2 garlic cloves, finely chopped
• 5g of thyme leaves
• 16 slices of Gruyère, cut into 6cm rounds with the pastry cutter
• all butter puff pastry, 8 x 120mm discs
• 3 egg yolks
• 25g of butter
• 3 medium leeks, cut into 3cm rounds
• 1 sprig of thyme
• 2 garlic cloves