2tablespoonall-purpose flour16 grams, stir it and don't pack
1 1/2teaspoonsvegetable oil
Combine milk and chips in a 12 oz mug or larger much. Microwave for 25-30 seconds (keep an eye on it!). Stir until chips melt and mixture is smooth.
Add the flour, baking powder and oil and stir until smooth. Stir in the applesauce. If you want, you can also stir in a tiny pinch of salt.
Microwave for 55 seconds. If cake is not done (which may happen in less powerful microwaves), heat for 10 to 15 seconds more. Scatter a few chocolate chips across the top and let stand for 5 minutes before eating..
Top with ice cream or whipped cream.
To make the optional frosting, combine 1 tablespoon of chocolate chips with 1 tablespoon butter. Microwave on high for about 30 seconds, then stir well. Add 1/2 tablespoon half & half and microwave for another 20 to 30 seconds, then stir until smooth. Stir in 2 1/2 tablespoons of confectioners' sugar and about 1/8 teaspoon of vanilla. This should give you enough to drizzle over 2 mug cakes.To serve to, prepare the batter in one mug, then spoon half of the batter into another mug or custard cup. Microwave for 50 seconds.I tested in a 1200 watt microwave.