Wash brisket with half a lemon; place on wire rack in roasting pan. Mix together salt, pepper, garlic salt, and dry mustard. Rub these on the top of the brisket. Sprinkle oregano over the top. Next mix honey with a little bit of water and pour over the brisket and a little water to pot. Cover and cook at 350 degrees for 1 hour.
Remove and place cabbage cut in quarters around meat. Add carrots and potatoes. Cut onions in half and place on top. Hold in place with toothpicks. Stick whole cloves into meat; cover and cook for 2 hours at 350 degrees or until done.
Remove corn beef and slice thin with the grain.
