Preheat oven to 400 degrees F.
Place the tomatoes in a single layer on a rimmed baking dish. Baste the tomatoes with the olive oil. Sprinkle the Italian seasoning, salt and pepper over the tomatoes.
Place the tomatoes in the oven and roast for 25-30 minutes or until skins split.
Remove them from the oven. Place on serving dish and drizzle with the balsamic vinegar.
Serve and enjoy!