Preheat oven @ 350. In large bowl mix ground beef, bread crumbs, chopped onion, chopped green peppers, eggs, salt and pepper. Mold into a loaf shape and place in an oblong pan.
In a bowl mix together cream of mushroom soup, dry packaged onion soup mix and milk until smooth and looks like gravy. Pour gravy over meatloaf. Place in oven an cook for an hour. Make sure you check it to make sure it is cooked all the way through.
Take meatloaf out of oven and cut into slice, spoon some gravy on top and serve.