Pour 1 1/2 cups boiling water over 1 cup oatmeal. Let stand 10 minutes.
Add brown sugar, white sugar, butter, and beat together well.
Add flour, baking soda, salt and cocoa.
Add in eggs, beat well.
Stir in chocolate chips (1/2 cup).
Pour mixture into greased/floured 9 x 11 pan.
Sprinkle remainder chocolate chips over the top.
Bake at 375 for 35-40 minutes.