Homemade
Grind the oatmeal finely and set aside.
Combine oat flour, baking powder, cocoa powder, and salt in a bowl and mix.
In another bowl, mix soy milk, erythritol, and coconut oil.
Mix the dry and wet ingredients to form a dough.
Shape the dough into a triangular shape.
Bake in a preheated oven at 180°C for 20 minutes.