In a small bowl combine cinnamon sugar coating ingredients. Set aside for later.
In a large bowl combine eggs, heavy cream, vanilla extract, and cinnamon. Mix to combine.
Slice baguette into 1/2" wide slices. Add slices to egg mixture and mix to coat evenly.
Heat skillet to medium heat and butter the skillet.
Place each bread slice onto the skillet and cook for 2-4 minutes or until bread turns golden brown. Flip and cook an additional 2-4 minutes.
Remove slices from the skillet and toss in cinnamon sugar mixture. Repeat with remaining slices.
Enjoy immediately or place onto a parchment lined baking sheet. Place the baking sheet into the freeze and chill for 1-2 hours or until slices are solid. Store in an air tight container.
Reheat in the airfryer at 400 for 6-7 minutes (flipping halfway) or in the oven at 300 for 15 minute (flipping halfway).