01 -
In a large bowl, beat the softened butter and granulated sugar with an electric mixer until light and fluffy, about 2-3 minutes.
02 -
Beat in the egg, sour cream, and vanilla extract until the mixture is smooth and pale.
03 -
In a separate bowl, whisk together the flour, baking soda, baking powder, salt, and nutmeg until evenly blended.
04 -
Add the dry ingredients to the butter mixture and stir until just combined. Do not over-mix.
05 -
Cover the bowl and refrigerate the dough for 30 minutes to firm it up and prevent excess spreading.
06 -
Preheat the oven to 375 degrees F. Line baking sheets with parchment paper. Drop rounded tablespoons of dough 2 inches apart. Bake for 10-12 minutes until the edges are light gold and the centers look slightly puffy.
07 -
Let the cookies cool on the pan for 5 minutes, then transfer to a wire rack. Whisk the glaze ingredients together until pourable and drizzle over the cooled cookies. Let the glaze set before stacking.