In a small bowl, combine cinnamon and sugar.
In a medium bowl or pie dish, whisk together eggs, yolk, and salt until combined.
Add half and half and whisk again.
Heat a heavy skillet over medium flame, and melt butter.
Soak two slices of bread in the egg and milk mixture, then cook in the pan until browned.
Repeat with the remaining bread slices.
Top each slice with butter, cinnamon sugar, and whipped cream.
