Apple Mug Cake….

This apple mug cake is absolutely one of my favorites, it's super moist, with a delicious cinnamon flavor and ready in a minute!
INGREDIENTS
1/3 cup apple, diced
1/2 tsp brown sugar
1/2 tsp cinnamon
Microwave for 30 seconds
1 tosp butter
2 tosp milk
1 tbsp brown sugar
1/4 tsp vanilla
3 tosp all-purpose flour
1/4 tsp baking powder