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S'mores Sandwich Bar Cookies


3 hours
Skill Level
16 bars

This chocolate marshmallow sandwich bar cookie recipe helps you enjoy s'mores without the mess. HERSHEY’S Milk Chocolate, marshmallows and graham crackers combine for a classic s’mores taste. Forget the great outdoors. Make the indoors great with a dessert that’s guaranteed to please.

Ingredients & Directions

Prep Time
15 minutes
Bake Time
30 minutes
Cool Time
2 hours


  • 1/2 cup
    butter or margarine (1 stick) , softened
  • 3/4 cup
  • 1
  • 1 tsp
    vanilla extract
  • 1-1/3 cups
    all-purpose flour
  • 3/4 cup
    graham cracker crumbs
  • 1 tsp
    baking powder
  • 1/4 tsp
  • 5
    HERSHEY'S Milk Chocolate Bar (1.55 oz. each) , unwrapped
  • 3 cups
    miniature marshmallows

Step-By-Step Directions

Equipment Needed 
oven oven
8-inch square baking pan square baking pan
mixing bowl mixing bowl
measuring cups measuring cups
rubber scraper rubber scraper
wire rack wire rack

Heat oven to 350°F. Grease 8-inch square baking pan.


Beat butter and sugar until well blended in large bowl. Add egg and vanilla; beat well. Stir together flour, graham cracker crumbs, baking powder and salt; add to butter mixture, beating until blended. Press half of dough in prepared pan. Bake 15 minutes.


Break chocolate bars into pieces; sprinkle over baked layer. Top with marshmallows; scatter bits of remaining dough over marshmallows, forming top layer. Bake 10 to 15 minutes or just until lightly browned. Cool completely in pan on wire rack. Cut into bars.

Additional questions?