cut top and stem off the peppers. clean out seeds and inside ribs. chop onion into course cubes. cook the barley per box instructions. pre-heat an oven to 350 degrees. bring water to a boil in a pot big enough to hold the four peppers. add peppers to boiling water for about 2 or 3 minutes or until crisp-tender (not soft). stir fry the onions, garlic, and spices over medium heat for about 7 minutes. grate the cheddar cheese. stir in the barley, grated cheddar cheese and tomato sauce and mix well then remove from heat. Place peppers in an 20 cm glass pie dish. fill peppers with mixture, cover them with foil and bake in the oven for 25 to 30 minutes