721 ÷ 699 = 1.03
Mash the banana.
Grind the oats finely.
Mix the mashed banana, ground oats, protein powder, baking powder, and salt together.
Add the eggs and milk, and mix well.
Pour the batter into a baking pan.
Bake in a preheated oven at 180°C (356°F) for 25 minutes.