Microwave mug cake

Microwave mug cake
 Ingredients
 4 tbsp self-raising flour
4 tbsp caster sugar
2 tbsp cocoa powder
1 medium egg
3 tbsp milk
 3 tbsp oil a few drops of vanilla essence
2 tbsp chocolate chips
 Method
1. Add the self raising flour, caster sugar and cocoa powder into a mug and mix.
 2. Add the egg and mix.
3. Add the milk, oil and vanilla essence and mix until smooth. Add the chocolate chips and mix again.
 4. Put your mug into the microwave and cook four 2 3 mins.