Step 1

Reserve 1/4 cup chocolate for later use. Microwave remaining chocolate in medium microwaveable bowl on HIGH 1 min. or until chocolate is almost melted, stirring after 30 sec. Stir until chocolate is completely melted.

Step 2

Spread 1/3 cup of the melted chocolate into 12x9-inch rectangle on parchment-covered baking sheet. Reserve 2 grahams. Place remaining grahams, with sides touching, in single layer over chocolate on baking sheet.

Step 3

Pour remaining melted chocolate over grahams; spread to completely cover tops of grahams.

Step 4

Chop reserved grahams; sprinkle over chocolate-covered grahams. Top with marshmallows and reserved chocolate; sprinkle with salt.

Step 5

Refrigerate 1 hr. or until chocolate is firm. Break bark into 10 pieces to serve.