Step 1: Prepare the Cinnamon Filling

1. In a small bowl, mix softened butter, brown sugar, and cinnamon until smooth.
2. Set aside for spreading.

Step 2: Flatten the Bread

1. Remove the crusts from each slice of bread (optional).
2. Use a rolling pin to gently flatten each slice into a thin rectangle.

Step 3: Fill and Roll

1. Spread a thin layer of the cinnamon-sugar filling over each piece of bread.
2. Tightly roll up each slice into a log, pressing the seam to seal.

Step 4: Prepare the French Toast Batter

1. In a shallow bowl, whisk together eggs, milk, vanilla extract, and cinnamon.

Step 5: Cook the Roll-Ups

1. Heat a nonstick skillet over medium heat and grease with butter.
2. Dip each roll-up into the egg mixture, coating evenly but not soaking.
3. Cook for 2-3 minutes per side, turning until golden brown on all sides.

Step 6: Coat in Cinnamon Sugar

1. While still warm, brush each roll-up with melted butter.
2. Roll in the cinnamon sugar mixture until fully coated.

Step 7: Serve and Enjoy

1. Serve warm with cream cheese icing, maple syrup, or fruit compote.
2. Enjoy with coffee or a glass of milk!