1 From: grandma sheila, cooking echo split hot dogs the long way not quite all the way through. 2 Fill split opening with mashed potatoes mixed with dry mustard. 3 Sprinkle the top with paprika. 4 Bake in 375 degree oven for about 15 minutes or until heated through and slightly browned on top. 5 Can also be topped with some grated Cheese (Cheddar or parmesan). 6 These make a great lunch or dinner for kids. 7 Mine used to ask for them regularly - still do now that they are grown.