S'mores Cookie Bars Recipe | Say Mmm

Ingredients

• 1/2 cup butter, room temperature
• 1/4 cup brown sugar
• 1/2 cup sugar
• 1 large egg
• 1 tsp vanilla extract
• 1 1/3 cups all purpose flour
• 3/4 cup graham cracker crumbs
• 1 tsp baking powder
• 1/4 tsp salt
• 2 king-sized milk chocolate bars (e.g. Hershey’s)
• 1 1/2 cups marshmallow creme / fluff (not melted marshmallows)