Crush the Weet-Bix in an oven-safe glass container. Add the protein powder (if using) and baking powder. Mix well.
Add the egg, milk, 50g blueberries and maple syrup. Stir until fully combined.
Add the 25g blueberries on top and sprinkle chopped white chocolate on top.
Air fry or oven bake at 160°C for 20 minutes.
Tip: you may need to cover the top with foil at 15 mins to protect the top from overcooking.
