Not soup but great recipe.

Horseradish encrusted beef tenderlion.
A whole beef tenderlion (Filet Migion) s/c
Grey poupon mustard ( acts as adheshive)
Fresh grated horseradish.

Paint all sides of meat with mustard, encrust with grated horseradish. Roast at 275 F. till done to your liking. About 3 hours for medium.

Works well with deer and elk also.

Russ