Take a joint of mutton and place in a pot on the fire or on top of the stove, add bay leaf and onion (the best is a cast iron pot over an open fire) cover with boiling water,After 30 mins cooking add salt then simmer until meat is tender. Be sure to cook slowly For the sauce Melt half the butter, add seasoned flour, and mix well. Slowly add stock to mixture. Gently bring to boil for a few minutes. Add lemon juice and remaining butter. Add Capers. Allow to stand for 15 min. Warm when required. Serve on Mashed Pototoes with a side of fresh geen beans