Easy Hershey's Chocolate S'mores Cookies Recipe - Recipes by Clare

Ingredients

• 1/2 cup unsalted butter, softened
• 3/4 cup granulated white sugar
• 1/4 cup packed brown sugar
• 1 egg
• 1 teaspoon pure vanilla extract
• 1 cup unbleached flour
• 1/3 cup unsweetened baking cocoa
• 1/2 teaspoon baking soda
• 1/2 teaspoon salt
• 1 cup chocolate chunks
• 1 cup mini marshmallows
• 2-3 Hershey bars, broken into pieces
• 1/4 cup graham cracker crumbs for garnishing