Repeat with rest of flour mixture, blending well between each addition and scraping down the sides of the bowl as necessary. (eatpicks.com)
Mix in half of the flour mixture, followed by the buttermilk and then the rest of the flour mixture. (bakingbites.com)
Add in the rest of the flour mixture and beat on low speed until almost combined, then add in the rest of the buttermilk and beat on low until all mixed in. (justsotasty.com)