Creamy Marshmallow-Peanut Butter Fudge

Line 13x9-inch pan with foil, with ends of foil extending over sides; spray with cooking spray.

Bring sugar, butter, evaporated milk and marshmallows to boil in large saucepan on medium heat, stirring constantly. Cook 5 min., stirring constantly.

Stir in peanut butter chips and vanilla; cook and stir 2 to 3 min. or until chips are completely melted and mixture is well blended. Pour into prepared pan; spread to evenly cover bottom of pan. Sprinkle with nuts; press lightly into fudge with back of spoon.

Refrigerate several hours or until firm. Use foil handles to remove fudge from pan before cutting to serve.