pre-heat oven to375
for meatloaf: combine meat and oats in a bowl and set asid. Put onion, milk, horseradish, katchup, eggs, salt, and pepper and blend till smooth.
pour in the contents of the blender into the meat and oat mix and stir till you have it mixed in.
make into 2 loafs and place into a greased pan
mix katchup horseradish and brown sugar in a bowl.
spread 2/3 of the sauce on top of the meatloaf
bake uncovered at 375 for 45 min
take out meatloaf and spread remaining sauce on meatloaf and return it back to the oven. let it cook for 10 more min.
after it is done let it set for 5 to 10 minutes then serve