1 tbsp vegetable oil
1 lb pork sausage
1 tsp oregano
1 cup shredded mozzarella cheese
2 cups spaghetti sauce
Cut a thin slice off the top of the peppers; cut in half lengthwise and clean out seeds. Place e in a casserole dish cut side up. Set aside.
Heat oil (if sausage is really lean) in a skillet until browned while stirring to break up meat. Add the chopped onion and oregano; cook until onion is tender. Drain off fat. Stir in sauce then cheese. Spoon mixture over peppers. over and bake at 400 degrees about 40 minutes until peppers are tender.