Uncle Fred's Franks are making hot dogs mobile in the Denver area. His mission is simple: Provide you with one of the best hot dogs you have ever eaten. There is quite a variety to choose from, everything from kielbasa and spicy hot links to chicken sausage and buffalo brats. You can also add bacon to any dog, and a laundry list of condiments including sririacha, sauerkraut, and a house made honey habanero sauce.