Make brownies in a mini muffin pan, of course.
1 cup butter, melted
1 cup white sugar
1 cup brown sugar
¾ cup cocoa
1 cup flour
1 ½ tsp baking powder
1 ½ tsp vanilla
Handful of milk or semi-sweet chocolate chips
Mix the first five ingredients until the batter is glossy.
Mix in next three ingredients until well combined.
Pour into greased mini muffin pan and sprinkle with chocolate chips.
Bake for 7-10 minutes at 350°F.