In a bowl, combine rice flour, almond flour, sugar, and baking powder.
Add eggs and cooking oil, then knead the dough.
Fold in nuts or dried fruits into the dough.
Shape the dough into a long loaf.
Bake in a preheated oven at 180°C (356°F) for 20 minutes.
Let it cool, then slice into 1cm thick pieces.
Return the sliced pieces to the oven and bake at 160°C (320°F) for 10 minutes.