Beef with seasoning

3 lbs beef tenderloin , Trimmed 1/2 teaspoon fresh ground pepper 1/2 teaspoon salt 2 tablespoons olive oil 1 Trim the beef and cut into eight ½-inch[...]

3 medium potatoes , peeled and sliced (about 3 cups) 1 large onion , sliced 1 teaspoon salt 1 1/2 lbs ground chuck 1 (8 ounce) can tomato sauce 2 tablespoons[...]