Finely grind the oatmeal and Earl Grey tea bags in a grinder.
In a bowl, mix the oatmeal, Earl Grey, cake flour, baking powder, and salt.
In a separate bowl, mix soy milk, olive oil, and sugar.
Add the wet ingredients to the dry ingredients and knead into a dough.
Shape the dough into a round disc, flatten it, and cut into 6 pieces.
Bake in a preheated oven at 180°C (356°F) for 20 minutes.