Preheat oven to 325 degrees
Line bottom of a 9 inch round cake pan with parchment, and either butter and lightly flour the parchment and exposed sides of the pan, or spray the interior with a nonstick spray
In a large bowl cream the butter until smooth (with electric mixer on medium speed)
Add the sugars and beat until fluffy (about 3 minutes)
Add the egg and yolk and beat well
Add Somerset Ridge Flyboy Red and vanilla
Sift the flour, cocoa, baking soda, baking powder, cinnamon, and salt together, over your wet ingredients
Mix until 3/4 combined
Fold the rest of the batter together with a rubber spatula
Spread bater in prepared pan
Bake for 25-30 minutes or until cake tester inserted comes out of center clean
The top of the cake should be shiny and smooth, like a puddle of chocolate
Cool in pan on a rack for about 10 minutes
Flip out of pan and cool the rest of the way on a cooling rack
Keeps well at room temperature or in the fridge
Looks beautiful dusted with powdered sugar as well!