Preheat the oven to 350 degrees F.
Mix the flour and water to form the batter in a bowl.Keep aside.
Keep the breadcrumbs/panko ready in a tray.
Place the beets in an aluminium foil, drizzle some olive oil and salt.Cover it and cook for about an hour, or until tender.Alternatively you can also boil them with salt until cooked
Peel and mash both the potatoes and beets in deep bottomed dish.
Mix all the ingredients except oil into the beet/potato mixture.