Line 8-inch square baking pan with foil

Combine sugar, evaporated milk, butter & salt in medium heavy-duty saucepan

Bring to full rolling boil over medium heat, stirring constantly

Boil 4-5 mins, stirring constantly

Remove from heat

Stir in marshmallows, chocolate, cherries and vanilla, stir vigorously for 1 min or until marshmallows are melted

Pour into prepared pan and refrigerate for 2 hours or until firm

Lift from pan; remove foil; cut into 48 pieces