INGREDIENTS
1
Egg, large
2/3 cup
All-purpose flour
1/2 tsp
Baking powder
3/4 tsp
Baking soda
1/3 cup
Cocoa powder, unsweetened Dutch-process
1/4 tsp
Salt
2 oz
Solid semisweet chocolate
2/3 cup
Sugar
1/2 tsp
Vanilla extract, pure
3 tbsp
Vegetable oil
1
Vegetable-oil cooking spray
1/4 cup
Whole milk
1
Individual chocolate mousse