EITHER 375g Shop-Bought Puff Pastry • OR 125g Plain Flour • Unsalted Butter (Room temp, cubed) • Cold Water • salt • Leftover Cooked Chicken (shredded) • Leftover Cooked Ham/Bacon (chopped) • Unsalted Butter • Plain Flour • Chicken Stock • Double Cream • Chestnut or Button Mushrooms (diced) •
