Step 1: Mash the Bananas. In a large mixing bowl, mash the bananas until smooth using a fork.
Step 2: Mix the Ingredients. Add the oats, protein powder, baking powder, blueberries, and lemon curd to the mashed bananas. Stir well until everything is evenly combined.
Step 3: Add the Milk. Pour in the milk and mix thoroughly to create a smooth, slightly thick batter.
Step 4: Prepare the Baking Dish. Spray the baking dish with oil or line it with greaseproof paper. Pour the oat mixture into the dish, spreading it out evenly.
Step 5: Add the Toppings. Sprinkle the white chocolate chips over the top of the mixture.
Step 6: Bake. Preheat your oven to 180°C (350°F). Bake the mixture for 20-25 minutes or until the top is golden brown and firm.
Step 7: Cool and Slice. Once baked, let the oatmeal bars cool slightly before cutting them into six even squares.