Preheat oven to 350 degrees F. Grease and flour a 10-inch tube or Bundt pan.
Weigh the flour, then whisk in the soda and salt. Whisk until thoroughly blended.
in the bowl of a stand mixer, beat butter and sugar on medium speed until light and creamy. Add the eggs one at a time, beating on medium speed.
Beat in extracts.
Remove bowl from stand and add the flour mixture ½ cup at a time, alternating with the sour cream. Stir or fold with a heavy duty scraper to mix.
Return to mixer stand and beat with the paddle on medium low just to make sure everything is thoroughly blended.
Bake for 50-60 minutes, until cake tests done.
Notes
Make sure your ingredients are at room temperature and weigh the flour and sugar. If you have a food processor or grinder of some sort, grind the sugar for a finer crumb.