Buy an unsliced ham with the bone in and with layer of outer fat. Remove ham from wrapping and wash to remove excess salt. Score the fat on the ham with a knife in criss-cross pattern. Brush with a mixture of Dijon whole grain mustard and brown sugar (1:2 ratio) brought to a boil. Bake uncovered ham according to directions on package, basting with sauce . Serve ham with extra sauce.
