Mix flour, salt, baking powder, and baking soda together. Cream butter, sugar, add eggs, vanilla, and sour cream. Alternate gradually flour mixture ... on top of cookies. Drop by tablespoons 4 ... degrees for 12 minutes.
Ingredients: 9 (cream .. eggs .. flour .. salt .. soda .. sugar ...)
Cream butter and sugar together. Add eggs and mix well. Add sour cream and vanilla. Mix and ... 350 degrees. These cookies remain soft after baking. Batter ... the refrigerator a week.