Preheat oven to 350
Sift flour, soda, salt, nutmeg and powder in a bowl.
In separate bowl cream the butter and sugar (use cookie paddles or dough hook this will get thick)
Add the egg and beat again
then add the vanilla and sour cream and beat it smooth
Add the green dye and mix until it's evenly colored
Mix in dry ingredients and beat smooth - it will be thick.
wrap up in wax paper or parchment paper and chill in fridge for 3-4 hours
preheat oven to 350
roll out to 1/4 inch various snowflake shapes - don't forget to cut a small round scrap for the top of every tree
bake for 8-10 mins, until the edges get a slight golden color to them (don't over bake) let cool