Combine coconut flour, plain flour, baking powder, egg, salt, shortening, and water together.
Let mixture sit
Set oven to 350 degrees
Place parchment paper on a baking tray (or if using a pizza stone, place in oven to warm up)
Place pizza dough on the tray and press out to about 1/2 inch thick (as evenly as possible)
Spread pizza sauce out on the dough
Bake crust alone for about 10 - 12 minutes, until golden brown
Remove crust from oven
Layer the remaining ingredients leaving the saltfish for second to last and then finish off with cheese
Bake for another 10 minutes or until cheese is melted