In the meantime heat oil in a pan and add the onions.
Saute for about 2 minutes and add the ginger.
Mix well and add the spices. Saute for about a minute until you smell the spices.Add the mushrooms and saute until golden followed by the cabbage.
Add salt, mix well and cook covered for about 7-8 minutes on medium low heat.
Allow to cool slightly before filling the wonton cups with this mixture.