yam croquettes

I'm new to this forum and want to share this recipe with you .it's about Yam croquettes.
To know more about Yam : there's an article here on wikipedia
http://en.wikipedia.org/wiki/Yam_(vegetable)

Here is my recipe of YAM CROQUETTES .

ingrédients :

1500g yam
1 minced onion
1/2 glass of oil
2 egg yolks
100g flour
salt and peper
1 stick of parsley
2 lemons

Peel and wash the yam in some water with lemon juice added. Then cook it in salt water during approximately 30 minutes. Take out of water and mix at once the yam. Put in the mashed yam, the minced onion, the salt, the pepper and the parsley. Mix and add the egg yolks. Whip energetically. Model the croquettes and roll them in the flour. Warm the oil and plunge the croquettes in. Brown them on each side. Serve warm. This meal is great with meat in his soaking.

Please let me know what you think.