Using the electric mixer, blend together the butter and the oil. Add the sugars, egg, and vanilla and beat well. Add the orange rind and habanero, stir.
Add the flour, cocoa powder, baking soda, and salt. Stir until combined. Mix in the chocolate chips.
Drop cookies on to prepared cookie sheet and bake in a 375 degree oven for 9-11 minutes. Cool on a rack. Enjoy!