Turn off the mixer, and scrape down the bowl. Turn it back on low, and add 1/3 of the flour mixture, allowing it to fully incorporate. Then add 1/2 of the water, and let it fully mix. Repeat with the next 1/3 of the dry goods, remaining 1/2 of the water, then the last 1/3 of dry. You want it thoroughly mixed and fairly smooth, but be careful not to overmix, or you’ll have a tough gingerbread.