Preheat oven to 350 degrees. Combine beef, eggs, bread crumbs, 1/4 cup of the A.1. (reserving other 1/4 cup for topping the meatloaf), teriyaki, Worcestershire, cheddar, onions, and shredded potatoes in large mixing bowl.
Once combined, shape into meatloaf and place in baking dish. Place remaining A.1. on top of meatloaf.