Using a spatula, soften your butter, add powdered sugar, stir till combined, add Flavor, stir.
Sieve flour into a separate bowl, stir in baking powder and powdered milk, mix into your butter mixture till a dough is formed.
Turn dough onto a clean surface, dust with flour on both sides, flatten with a rolling pin, cut into rectangles with knife, poke holes on it with a fork, line the oven tray with a sheet, I used A4 paper.
Arrange the cookies on the sheet, Bake at 160 ° for 20 minutes Voila!, your yummy crunchy cookies is ready
