Peel the pineapple by slicing off the top and bottom, then cutting away the rind.
Using a mandolin or a super sharp knife, cut very thin slices.
If the pineapple is really juicy, blot paper towels on it to get rid of the moisture.
Place slices on a parchment-lined baking sheet in a single layer, making sure they don’t overlap.
Bake for 1 hour and 15 minutes, then flip each slice over and bake for another 1 hour and 15 minutes. The slices should be dry and lightly golden with curled edges. Make sure you check on them so they don't burn.
As soon as you take them out of the oven, shape the flowers by placing each warm pineapple slice into a muffin tin mini or standard - this helps them hold a flower-like shape.
Let them sit overnight to dry and hold their shape.