This is not a kosher recipe and Israeli cooks would not use it, therefore, it is not authentic. Eliminate the dairy or label it Mediterranean or Greek, with the use of yogurt.
Ginger-Marinated Leg of Lamb with Israeli Couscous & Kale
From EatingWell: November/December 2010
A stunning main course for the holidays, this ginger-flavored leg of lamb, served with kale and red pepper flecked couscous, will win you accolades, even though it’s easy to put together. The festive-looking couscous could be served on its own as a side with roast chicken.