Almond Milk Cookies

150g salted butter, softened at room temperature
80g castor sugar
5 egg yolks
50g milk powder
300g cake flour
100g almond powder
1/4 tsp baking powder
a little black sesame seeds
a little beaten egg for coating

1    Cream butter and castor sugar until light and fluffy. Add egg yolk in 3 batches to beat well.
2    Sift milk powder, cake flour, almond powder and baking powder, then mix well in egg batter to form a dough.
3    Roll dough out between 2 cling films to 1cm thickness.
4    Cut into flower shapes with a cutter. Arrange on baking tray, coat with beaten egg yolk and sprinkle with a little black sesame seeds.
5    Bake in preheated oven at 170°C for 15 to 20 minutes or until baked.