Add garlic and remaining leeks. Season with salt and pepper. Cook, stirring occasionally, until leeks are tender, 6 to 8 minutes. Add stock, potatoes, thyme, and bay leaf. Bring to a boil, then reduce ...
About 20 minutes before the meat is ready, start to make the potato topping by peeling the potatoes and cut them into rough 4cm chunks. Put them in a large saucepan and cover them with cold water.