    By red licorice, I believe you are referr â¦ ing to the candy. Raw licorice can have a dark reddish hue, however. Red licorice, at least in the states, is flavored candy that does not contain true licorice.
Other foods high in potassium that vegetarians may use are soybeans, textured vegetable protein (TVP), soy nuts, soy flour, natto (soybean paste) and wasabi. Potassium amounts will need to be modified and levels monitored carefully by your renal dietitian.
Sweet potatoes. Surpriseâsweet potatoes, not bananas, rank highest on the list of foods that are high in potassium. One sweet potato packs a whopping 694 mg of potassium and only 131 calories, plus loads of fiber, beta-carotene, and energizing carbs.