Step 1

Combine 2 cups marshmallows and margarine in medium saucepan. Cookstirring constantlyover medium heat for 1 to 2 minutes or until marshmallows are melted. Remove from heat; stir in cereal until coated. Press onto bottom of 13 x 9-inch baking pan coated with nonstick cooking sprayusing spatula coated with nonstick cooking spray.

Step 2

Combine margarinesugarevaporated milk and salt in mediumheavy-duty saucepan. Bring to a boilstirring constantlyover medium heat. Cookstirring constantlyfor 4 1/2 to 5 minutes. Remove from heat. Add remaining 2 cups marshmallowsmorsels and maple flavoring; stir vigorously for 1 minute or until marshmallows and morsels are completely melted. Pour over prepared crust. Sprinkle with nuts; press in slightly. Chill for 2 hours or until firm. Cut into squares.