Slicing corned beef throughout the grain is a way used to realize extra tender and flavorful slices of meat. The grain of the meat refers back to the course of the muscle fibers. Whenever you minimize in opposition to the grain, you might be slicing perpendicular to the fibers, which makes them shorter and fewer powerful.
There are a number of advantages to reducing corned beef throughout the grain. First, it makes the meat extra tender. Whenever you minimize with the grain, you might be basically pulling the muscle fibers aside, which might make the meat powerful and chewy. Slicing in opposition to the grain shortens the muscle fibers, making them simpler to chew.