Preheat oven to 350 degrees. Line a baking sheet and set aside.
In a bowl, stir together the flour, baking powder, spice mix and salt.
In a separate bowl beat together the butter and the sugar. Add the dry ingredients and beat together. Add milk as needed until the dough comes together(you may need to use your hands!)
Break off small pieces and roll into balls. Kay recommends tiny 5g-10g balls of dough, where I usually make mine more 10-15g, but I bake them for a similar time so they're not quite as crunchy. Place on the baking sheet 1" apart.
Slightly flatten the dough balls, just with your fingers. Place in the oven and bake at 350 degrees for 10-12 minutes or until they are cracked on top and golden on the bottom. Remove from the oven and place on a cooling rack. Cool completely before dipping in melted chocolate if desired.