Appetizing skewers

Preparation:

Preparation: Beat the meat, place half a slice of ham and a slice of cheese on each slice. Roll each slice of meat on itself forming 12 rolls. Thread them onto 4 wooden skewers alternating them with sage leaves. Heat 50 g of butter with 3 tablespoons of oil, place the skewers on it and brown well. Pour in the port, salt and pepper and cook covered for 20 minutes.