01 -
Give your mug a light coat of oil so the cake won’t stick.
02 -
Put Nutella, egg, flour, salt, and the extras if you want into the mug. Stir it up until it's all smooth.
03 -
Zap it on high for a minute. Check if it’s ready and microwave a bit longer if needed.
04 -
Give it a minute to set after microwaving.
05 -
Scoop it straight from the mug while it's still warm.