Ultimately, we can't tell you exactly how long you can leave butter out. We have no problem with leaving butter out to soften as long as it is well-covered. It usually doesn't take us more than a couple days to go through a stick anyway!
Carbs in Tomato Soup. The favorite choice for the term Tomato Soup is 1 cup of Tomato Soup which has about 18 grams of carbohydrate. The total carbohyrate, sugar, fiber and estimated net carbs (non-fiber carbs) for a variety of types and serving sizes of Tomato Soup is shown below. Popular Types of Tomato Soup.
1 Calories In Turkey, Broccoli & Tomato Soup. 2  74 calories, 2g fat, 7g carbs, 7g protein, 3g fiber. 3  Calories In Extra Quick Low Calorie Tomato Soup. 4  72 calories, 2g fat, 11g carbs, 4g protein, 1g fiber.