Preheat oven to 400 degrees.
Cover a baking sheet with parchment paper.
Mix almond flour, coconut flour, baking powder and salt together in a large mixing bowl.
Cut in cold coconut oil with a fork until the mixture is crumbly. Place the bowl in the refrigerator for 10 minutes.
In a medium bowl whisk egg whites until they are very frothy.
Fold the egg whites into the chilled flour mixture until well combined.
Scoop about 1/4 cup of dough onto the baking sheet and smooth the top to form each biscuits, an ice cream scoop works well in this step.
Bake biscuits for 15-18 minutes.
Sausage Gravy: melt coconut oil in medium-high skillet.
Brown sausage in skillet
Add seasonings and mix in well.
In a small bowl, mix together well the glucomannan and almond milk.
Turn heat down and add almond milk to skillet, cream cheese, and chicken or beef broth.
Stir and break up cream cheese.
Let warm until biscuits are ready.