1 teaspoon salt 1/2 teaspoon monosodium glutamate 1/2 teaspoon ground black pepper 1  teaspoon seasoned salt 1/2 teaspoon ground marjoram 1/4 teaspoon dry mustard 1/8 teaspoon ground cardamom 1  lamb leg, whole (about 6 pounds) 2  cloves garlic, cut in slivers 1/2 teaspoon ground thyme Orange peel, cut in slivers Fresh mint sprigs (optional) Mix [...]