Dice the apple into 0.5cm cubes.

Mix apple, cinnamon powder, and sugar in a microwave-safe bowl.

Cover with plastic wrap and poke holes using a toothpick.

Microwave at 700W for 4 minutes.

Remove the wrap, stir, and microwave for another 2 minutes without the wrap.

Drain excess liquid using a sieve and refrigerate to cool.

Sift flour, baking powder, and cinnamon powder into a bowl. Add sugar and salt.

Mix dry ingredients with a whisk.

Add diced cold butter and mix using a scraper until butter pieces are pea-sized.

Combine egg and milk, then pour into the dry mixture.

Add the cooled apple filling and mix lightly.

Shape the dough into a thick disk, wrap in plastic, and refrigerate for 1 hour.

Roll out the dough to 2cm thickness and cut using a 6cm cookie cutter.

Brush the tops with egg wash.

Bake in a preheated oven at 180°C for 20 minutes.