"No fancy ingredients here... Not like we need another meatloaf recipe, but I figured I'd should post my Grandma's for people like me who like a quick easy meatloaf without a lot of fuss. Most of the meatloaves I saw here had things I'd never even consider putting in a meatloaf! :) At times I will substitute the onion with approx. 1/4 cup dried onion flakes. I also have substituted the garlic with garlic powder. I've never tried making it with horseradish. (I was a notoriously picky eater as a kid so I don't think G..."