Oatmeal Raisin Cake...Source: Jim Mixson
Significantly modified from an unknown original.
Source: 

Ingredients:

1/2 C rolled oats
1/2 C milk
2 eggs
1/2 t baking powder
1 t ground cinnamon
2 pinches salt
2 t sugar (or more/less to taste)
1/2 C raisins

Cooking and serving instructions:

Thoroughly mix all dry ingredients, including raisins.
Break eggs into milk and beat well.
Add milk/egg mixture to dry mix and mix in well.
Spray 2 microwave proof cereal bowls with non-stick cooking spray.
Pour equal amounts of mixture into each bowl.
Microwave on high for 2 1/2 to 3 minutes or until firm throughout.
May serve as is or top with confectioner's sugar and/or fruit or berries.