In a shallow bowl, whisk together eggs, milk, and cinnamon.
Trim crusts from bread and flatten each slice with a rolling pin.
Spread peanut butter evenly over each slice.
Add banana slices in a line along one edge.
Roll tightly from the banana side.
Dip each roll-up into the egg mixture, coating all sides.
Heat butter in a pan over medium heat.
Cook roll-ups for 1–2 minutes per side until golden brown.
Let cool slightly and serve warm.
These Easy French Toast Roll Ups are best enjoyed fresh and warm.