Cook sausage in hot oil in a skillet over med heat 5 minutes or until browned. Remove from skillet and set aside.

Saute onion and next 3 ingredients in skillet 5 minutes or until tender. Add wine and garlic; cook 2 minutes or until liquid evaporates. Remove from heat.

Stir together potato flakes and 1 cup hot water in a large bowl; stir in sausage, onion mixture, parsley, thyme, and nutmeg.

Place steak between 2 sheets of heavy duty plastic wrap; flatten to 1/4-1/2 inch thickness using a meat mallet or rolling pin.

Spread potato mixture evenly over flank steak, leaving a 1/2 inch border.

Roll up steak, jellyroll fashion, starting with a long side; secure with string.

Place on a lightly greased rack in a broiling pan.

Bake at 425 for 10 minutes; reduce heat to 375. Bake 25-30 minutes or to desired degree of doneness.