Best S'mores Stuffed Cookies Recipe - How To Make S'mores Stuffed Cookies

Ingredients

• 2 3/4 c. (330 g.) all-purpose flour
• 1/2 c. (66 g.) whole wheat flour
• 1 1/2 tsp. ground cinnamon
• 1 1/2 tsp. kosher salt
• 1 1/4 tsp. baking powder
• 1 tsp. baking soda
• 1 1/4 c. (270 g.) packed dark brown sugar
• 1 c. (2 sticks) unsalted butter, melted
• 1/2 c. (100 g.) granulated sugar
• 2 large eggs
• 1 tsp. pure vanilla extract
• 1 (10-oz.) bag bittersweet or extra-dark chocolate chips
• 24 (1") graham cracker squares
• 1 (1.55-oz.) milk chocolate bar (such as Hershey’s), separated into 12 pieces
• 12 marshmallows
• Flaky sea salt