Parsnips
1 Serving: 1 cup
Carbs: 23 grams
Though the carb count is high, these fall favorites also have 6.5 grams of fiber per serving. Roast them at 350 degrees for an hour. Mix them with other root vegetables like potatoes, rutabagas, turnips, and beets for a colorful side dish that’s a feast for your eyes and your belly.