prepare cake pans: 9 inch round cake pan, cut a piece of Parchment paper to fit the bottom. Butter the cake pan. Lay the parchment paper on the bottom of the cake pan.
Dust cake pan with cocoa powder. set aside. Should look like photo.
For the cake: In a separate bowl, add flour, baking powder, salt, cocoa powder and mix well. Set aside.
Add the yogurt, butter and sugar together in a large bowl for the mixer. Mix until smooth.
Add the eggs one at a time. Make sure each one is well incorporated before adding the next one. Add vanilla and mix.
Add the dry ingredients and coffee to the butter, yogurt mixture. Mix until smooth and free of lumps.
Pour into a single 9 inch cake pan and bake @ 350 degrees F for 32-38 minutes.Pour and divide into 2 prepared 9 inch cake pans and bake @ 350 degrees F for 21-23 minutes.Pour into Jumbo muffin tins and bake @ 350 degrees F for 22-25 minutes. Bake until a toothpick comes out clean.