In a pan over medium heat, toast the flour until turns brown in color, remove from heat, set aside and let it cool.
Melt butter then set aside.
Then combine powdered milk, toasted flour and sugar.
Add the melted butter and mix until well combined. Make sure you break the lumps while stirring the mixture.
Press the mould in the Polvoron mixture till you have filled up the cavity.
On a plate, press the mould to make the mixture more compacted.
Push the ejector handle to release the moulded Polvoron, “if it is still sticking to the flat metal plate, gently hold the sides of the Polvoron with your thumb and forefinger and move it a little bit, it will release itself.
Use a cellophane wrapper to wrap the molded Polvoron.