Meanwhile, press the juice out of the pineapple chunks.
Mix pineapple juice with whey protein powder, and set remaining pineapple aside.
Remove crusts from the oven, and let cool a minute.
Press the quest pieces into the cups, letting the sides come up higher than the centers.
Bake for about 5 minutes more.
Remove crusts from oven, and let cool.
Fill crusts with whey mixture, and top with remaining pineapple.
Enjoy! And store in the refrigerator.
Notes
A note about substitutions: You can use casein instead of whey, but vegan proteins would be a bit chalky or earthy here. Also, be sure to use good pineapple!