(Recipe courtesy of Pillsbury)
Line cookie sheet with waxed paper. In medium microwavable bowl, microwave chocolate chips uncovered on High 2 minutes, stirring once, until chips are softened and can be stirred smooth. Stir in half of the crushed graham crackers and 1 cup of the marshmallows.
On cookie sheet, spread mixture to 1/4-inch thickness. Sprinkle remaining crushed graham crackers and 1 cup marshmallows over top; press in lightly. Refrigerate 1 hour. Break into 2-inch pieces. Store tightly covered in refrigerator.
This bark can also be made with semisweet or bittersweet chocolate chips, depending on your preference.