Step 1

Heat oven to 350°F. Place mini paper baking cup in each of 24 mini muffin cups.

Step 2

Make cake mix as directed on box, using water, oil and eggs. Fill muffin cups two-thirds full. (Cover and refrigerate remaining batter until ready to bake; cool pan 15 minutes before reusing.) Cut each piece of chocolate candy in half; press 1 half into batter in each muffin cup.

Step 3

Bake 12 to 15 minutes or until surface of cupcakes appears dry. Cool 5 minutes; remove cupcakes from pans to cooling racks. Cool completely. Repeat with remaining batter and chocolate pieces to make an additional 48 mini cupcakes.

Step 4

In medium bowl, mix frosting and marshmallow crème. Frost cupcakes. Place graham crackers in resealable food-storage plastic bag; seal bag and crush with rolling pin. Sprinkle crushed graham crackers over cupcakes.