7. To build the Frisco Melt, cover the bottom piece of sourdough, untoasted side up, with the Swiss cheese. Top it with a patty, then the American cheese and then another patty. Spread some Frisco Sauce on the top patty and cover with the top piece of bread. Repeat for all 4 sandwiches.

8. Slice the sandwiches in half diagonally and serve hot.

Serves 4