Add butter to a pan over medium heat and let it melt. Place the bread in the pan and toast until lightly golden. Flip and toast the other side as well.
Lower the heat. Pour a small amount of milk over the bread, then sprinkle with powdered sugar and cinnamon. Flip the bread and repeat on the other side.
Increase the heat back to medium and cook for about 1 minute on each side, allowing the milk, sugar and cinnamon to soak into the bread.
Turn off the heat and transfer the French toast to a plate. Drizzle with honey or maple syrup and add your favourite fruit. Finish with a little powdered sugar if desired.