Heat large saucepot of salted water to a boil over high heat. Add ravioli; cook as label directs. Drain; return to saucepot and cover to keep warm. Makes about 28 ravioli.
In large skillet, toast walnuts over medium-low heat 4 minutes or until lightly browned and fragrant, stirring frequently; transfer to plate to cool.
Wipe out skillet with paper towel. Add shallot and butter; cook over medium heat 5 minutes or until butter begins to brown and shallot is tender, stirring frequently. Remove skillet from heat; stir in chives and salt. Makes about ½ cup.
Serve ravioli drizzled with shallot mixture sprinkled with cheese and walnuts.