We have come up with a highly nutritious root soup, and delicious purple potato chips. Here is the easy recipe for the root soup and purple potato chips. Ingredients Root veggies weighing 2.2 pounds (1 kilogram) (celeriac, parsnip, Jerusalem artichokes, turnips root, parsley root.) 1 onion, cut into chunks and skinned Sliced garlic cloves, four 2 cups (500 ml) (500 ...