Mix the pancake mix, milk, egg and oil in a bowl until smooth.
Bake on griddle according to package directions.
Spread 1 tablespoon jam over each pancake and roll up.
Dip in eggs, then in corn flake crumbs and place, seam side down, in a heated skillet containing the butter.
Brown on all sides over low heat.
Serve hot with melted butter, if desired.