Simply scoop up a rounded cup of loose flour, then sweep over the top with a butter knife or a flat edge. (theurbanposer.com)
Turn the mixer on low until there is no more loose flour. (spachethespatula.com)
Roll until there is very little loose flour... add a drop more buttermilk if needed, but do so sparingly — you don't want the flour to be «wet». (feastrecipe.com)