This is the exact recipe I found in the cookbook I bought in Pittsburgh (see my note at the bottom about how recipes "travel"). I took this one step further and dusted it with zested dark chocolate (from Espana). Magnifico! Enjoy!
Clementine Cake Recipe
I cut this into approximately 1x1 or 1x1.5 inch squares. Approximately 135 calories based on 22 pieces cut per recipe.