Apple cinnamon mug cake

Per person, mix in a mug:
3 Tbsp flour
1/8 tsp baking powder
1 heaped Tbsp brown sugar
1/2 tsp cinnamon

Add & stir till just combined:
1/8 tsp vanilla
1/2 Tbsp O oil
1 Tbsp applesauce
3/4 Tbsp milk

Microwave 45 seconds.