<P> There are many variations of the recipe, all of which involve a cutlet, cheese, and meat . A popular way to prepare chicken cordon bleu is to butterfly cut a chicken breast, place a thin slice of ham inside, along with a thin slice of a soft, easily melted cheese such as Swiss . The chicken breast is then rolled into a roulade, coated in bread crumbs and then deep fried . Other variations exist with the chicken baked rather than fried . </P> <P> Other common variations include omitting the bread crumbs, wrapping the ham around the chicken, or using bacon in place of ham . </P> <P> A variant popular in the Asturias province of Spain is cachopo, a deep - fried cutlet of veal, beef or chicken wrapped around a filling of Serrano ham and cheese . In Spain, the version made with chicken is often called san jacobo . </P> <P> In largely Muslim - populated countries, the halal versions of chicken cordon bleu are also popular, such that the chicken is rolled around beef or mutton instead of pork product . </P>

What type of cheese is in cordon bleu