Preheat oven to 350 F. Spray 12 cavity cupcake pan with cooking spray.
In a large mixing bowl add eggs, sugar, apple sauce, milk. Whisk to incorporate.
In a separate bowl mix together oats, baking powder, and salt. Add into the liquid ingredients. Mix all to incorporate.
Add blueberries and mix to incorporate.
The mixture will be slightly runny, don’t worry about that. It will bake nicely thou.
Use a large ice cream scoop or ¼ cup measuring cup to divide the mixture evenly between the 12 cupcake cavities.
Sprinkle tops with turbinado sugar.
Bake for 25-30 minutes or until lightly golden and puffed.
Serve warm or chilled.
Keep refrigerated for a few days.
Freeze for up to a month.