Mix the flours with psyllium husk in a large bowl.
Dissolve the yeast in warm water with a pinch of sugar.
Add the liquid mixture to the dry ingredients and knead until combined.
Cover the dough and let it rest for 1 hour in a warm place.
Roll out the dough on baking paper and pre-bake for 5 minutes at 220 °C.
Add the tomato sauce, mozzarella, and fresh basil.
Bake for 12–15 minutes at 250 °C until the base is crispy and the cheese is melted.