Collect eggs, milk, vanilla extract, cinnamon, and bread
In a bowl, whisk together eggs, milk, vanilla, and cinnamon
Soak each slice of bread in the egg mixture until coated
Preheat a skillet over medium heat and add butter
Place soaked bread slices in the pan; cook until golden brown
Turn the bread to cook the other side until crispy
Serve warm with syrup, fruit, or powdered sugar as desired