dissolve cocoa powder into melted butter
slowly mix in sugar
add egg and milk kefir and whisk or blend in food processor or blender
gently stir liquid into pancake mix
gradually stir in boiling water
stir in vanilla
pour batter into greased 8 or 9 inch round cake pan
add cold water to ninja speedi pan
place tray in lower position of speedi and place cake pan on tray
set speedi to "steam and bake" 315 degrees 17 minutes and start