01 -
Combine graham cracker crumbs, flour, baking soda, and salt in a bowl. Stir to mix evenly.
02 -
In a large bowl, cream softened butter, granulated sugar, and brown sugar until fluffy. Add the egg and vanilla extract; mix well.
03 -
Gradually mix the dry ingredients into the wet ingredients. Fold in mini marshmallows, chocolate chips, and graham cracker chunks.
04 -
Scoop dough onto parchment-lined baking trays. Bake at 350°F for 10–12 minutes or until golden brown.