In your TM puree the beans, water/coffee, 1 egg and vanilla until smooth on speed 7. Set aside.
Without washing the bowl, beat the butter and sugar Speed 5 30 seconds
Add the remaining eggs & beat for 20 seconds SP 4.
Add bean mixture SP 4 5 seconds.
Add the cocoa powder, baking powder, baking soda, and salt and blend SP 4 10 seconds.
Pour batter into greased ring tin pan and bake MOD oven for 30 minutes or until a toothpick inserted in the middle comes out clean.