01 -
Combine cocoa powders, flour, salt, sweetener, and baking powder in a bowl, whisk thoroughly until uniform.
02 -
Add oil, milk, and vanilla extract to the dry mixture; stir gently until batter is smooth and homogenous.
03 -
Pour batter into a greased ramekin or microwave-safe mug. Microwave on high for 30 to 60 seconds, adjusting time based on wattage, or bake in a preheated oven at 175°C for approximately 14 minutes.
04 -
Allow the cake to cool if desired; remove from dish carefully to maintain shape. Optional: grease vessel prior to pouring batter to facilitate removal.