Strawberry Nutella French Toast Roll Ups

Bahan-bahan (6 porsi)

• 6 slices fresh white sandwich bread (, crusts removed)
• 1/2 punnet strawberries (, diced small)
• 4 1/2 tbsp Nutella
• 1/4 cup caster sugar ((superfine sugar) (Note 1))
• 1 tbsp butter
• 1 egg ((large))
• 2 tbsp milk ((full cream or low fat))
• Pinch of salt