1. Dry meat with paper towels.
2. Combine salt, pepper and flour; dredge medallions in flour,
shaking off excess.
3. Beat eggs with water; dip medallions in egg and coat with bread
crumbs.
4. Press medallions with heel of palm to make crumb stick; dry
10 minutes.
5. Heat butter and oil in Dutch oven; saute medallions 8 minutes
per side.
6. Remove meat; drain on paper towels, transfer to heated platter
and keep warm.
7. Add wine to pan; deglaze over high heat, scraping brown bits
from bottom and sides of pan.
8. When liquid is reduced by half (about 3 minutes), add mushrooms
and cook 2 minutes, stirring.
9. Add lemon juice and cook 1 minute, stirring.
10. Correct seasonings, pour sauce over meat and garnish with
parsley.