8 slices of bread (preferably thick, like brioche or Texas toast)
4 Kinder chocolate bars (or similar chocolate)
2 large eggs
1/4 cup milk
1 tsp vanilla extract
1/2 tsp ground cinnamon
1/4 cup flour (for dusting)
1/4 cup unsalted butter (for frying)
Powdered sugar (for serving)
Maple syrup (for serving)