Preheat oven to 350 degrees. Cream together the brown sugar and butter. Add eggs one at a time and then the vanilla. Whisk together dry ingredients in a medium bowl. Add the dry ingredients alternating with the sour cream. Mix until just combined.
Place on the dough on a lined cookie sheet with a small cookie scoop. Bake for 8 -10 minutes.
Brown Sugar Cream Cheese Frosting
Cream together the cream cheese and butter. Add in the brown sugar until combined. Then slowly add the powdered sugar and beat until light and fluffy. Add in the vanilla and beat a bit longer. Frost the cookies when cooled.
Recipe by Reality Daydream at https://realitydaydream.com/brown-sugar-cookies-by-cupcakes-w-sprinkles/