Splash some oil in a large pot, bring it to a high heat and brown the meat. Remove the mutton from the pot and set aside.
Add the onion, cinnamon, bay leaf, fennel seeds and turmeric to the pot and keep stirring for about 1 minute.
Add the garlic, masala and ginger and keep cooking for another minute or so.
Add the meat, tomatoes, potatoes with 1 cup of water. Place lid over pot and simmer for 45 minutes until the mutton is tender and potatoes are soft. Season accordingly.
Fill the hollowed-out ¼ bread loaves with the curry and garnish.