Icing: Whip the butter and cream cheese using a stand mixer or hand blender until fluffy and completely incorporated.
Then add the milk and the vanilla extract and mix on low.
Slowly add powdered sugar until incorporated.
Place in portioning gun cartridge, pastry bag or food pan and refrigerate.
Dredge: Blend cinnamon and sugar in a container with a tight-fitting lid and set aside
Fill a container with enough butter substitute to dunk 5 knots a time.
Production: Dunk 5 knots completely in butter substitute and place them in a deep, oven safe pan and bake in pizza oven for 3 minutes, or until the butter is melted and the knots are hot.
Remove knots from the pan and immediately dredge them in the cinnamon and sugar mixture.
Serve with a side of icing.
Recipe by Pizza Today at https://pizzatoday.com/recipes/desserts/wholly-strombolis-cinnaknots