4 tbs plain flour
4 tbs sugar
2 tbs cocoa
3 tbs milk
3 tbs oil or melted butter
3 tbs chocolate chips (optional)
A small splash of vanilla extract
1 large coffee mug
1). Mix together all the dry ingredients in a microwave safe mug.
2). Mix in the egg, milk and oil, stir in chocolate and vanilla, mix well.
3). Microwave for 3 minutes at 1000 watts (cake may rise over the top of the mug)