Preheat oven to 180°C or air fryer to 160°C
In a small bowl, whisk together the egg, Greek yogurt, sweetener, and vanilla until smooth.
Place your bread on a baking tray or in an air fryer and use the back of a spoon it your finger to press a shallow well into the center of each slice of bread, leaving edges intact.
Spoon the custard mixture into the wells of the bread.
Add your blueberries and strawberries and spindle with cinnamon
Bake in the oven for 10–12 minutes until the custard is set and slightly golden.
Serve warm and optionally dust with cinnamon or drizzle with maple syrup.
