mix first 5 dry ingredients, put aside
butter, sugar, eggs, beat until fluffy & high
at low speed, beat in sour cream& vanilla
gradually add flour mixture
chill dough in 3 or 4 pieces in wax paper for at least 4 hours
preheat oven to 350 degrees
roll out dough to ¼ inch. sprinkle with raw sugar or colored sugars
bake on ungreased cookie sheet for 6 to 8 minutes, checking often
