Preheat the oven to 375°F (190°C).
In a large bowl, combine the almond flour, coconut flour, baking powder, and salt. Mix until well combined.
In a separate bowl, whisk together the buttermilk and egg.
Add the wet ingredients to the dry ingredients and mix until a dough forms.
Fold in the shredded mozzarella.
Form the dough into 12 equal-sized biscuits and place them on a baking sheet lined with parchment paper.
Bake for 15 minutes, or until the biscuits are golden brown.
Serve warm and enjoy!
