Soak bulgur wheat in a bowl in hot tap water. Let sit 10 minutes or so, and then drain.
Meanwhile, in a large bowl, add ground beef, onion, salt and cinnamon. Add the bulgur after draining. Use your hands to combine the ingredients thoroughly.
Lightly grease a baking sheet with oil.
Take 1/3 cup portions of meat and press into small hamburger type patties. Place on sheet. Bake for about 20 minutes, until cooked through.