I know, way random. WAY random, but it has to be said. Who hasn't had super cold hands while mixing their meatloaf? Or too tough loaf from mixing in their Kitchen-Aid? So I decided to add all of the ingredients into a gallon plastic bag and smoosh it. Then dump it all in a pan and you're done, plus no hand washing needed.
Gee, this is not an attractive photo:)!
Or put it into muffin tins and bake for only 25 minutes like I do: