Fit the Whisk tool to the machine.
Add Ingredients 1 (milk, egg, salt, sugar, flour) into the Mixer bowl.
Attach the Mixer bowl to the machine and fit the splash guard.
Mix on speed Max for 2 minutes.
Add Ingredients 2 (oil) to the bowl.
Mix on speed Max for 1 minutes.
Let rest for 20 minutes.
Add Ingredients 3 (butter) into the frying pan.
Heat over a medium heat.
Add some batter to the frying pan, just enough to cover the base of the frying pan.
Fry until lightly golden on both sides.
Repeat with the rest of the batter.
Serve.