Peel and core the pineapple, then grate the pineapple flesh into small pieces.

Mix the brown sugar with the pineapple, and cook over low heat until thickened and no liquid remains.

Turn off the heat and let it cool.

For the crust ———

Mix the powdered sugar and butter together until smooth.

Add the egg yolk, milk, and cake flour in sequence.

Wrap the pineapple filling in the dough using a 1:1 ratio.

Press into a square shape and bake at 300°F for 10-15 minutes until golden brown.