Rich, decadent ooey gooey Giant S'mores Cookies. These colossal cookies are the quintessential summer dessert cookie inspired by classic campfire s'mores. Made with a chocolate chip and graham cracker cookie bottom, chunks of Hershey's milk chocolate, and warm toasted marshmallows. These cookies will quickly become a seasonal favorite.
Preheat oven to 375°F. Line a baking sheet with parchment paper; set aside.
Whisk together flour, graham cracker crumbs, salt, baking soda, and baking powder. Set aside.
Beat butter, granulated sugar, and brown sugar on medium-high speed until fluffy; about 4-5 minutes. Note: if using a hand mixer, this may take an extra minute or two.
Mix in eggs, one at a time.
Mix in vanilla extract.
Gradually mix in flour mixture.
With the mixer on low, mix in chocolate chips, and candy bar pieces until well combined.
Scoop ¼ cup cookie dough (or weigh out 4 oz.) portions of dough and roll into a ball.
Space cookies far apart and only bake 6 at a time.
Bake in 375°F preheated oven for 15-20 minutes. Edges should be slightly browned and puffy.TIP: Bake longer for crispier, chewier cookies. Bake less for gooey, soft cookies.
Allow cookies to cool on baking pan. Transfer to a cooling rack.
Top each cookie with a marshmallow in the center. Broil until golden brown or use a culinary torch to toast marshmallow.
Place 1 piece of the chocolate candy bar in the center of the warm marshmallow.