0 Preheat oven to 350 degrees and grease an 8 in cast iron skillet
1 In a medium size bowl add ground flaxseed with 1 1/2 tbsp water and let set for 3-5 minutes
2 Add in the butter and sugar and stir to combine
3 Fold in flour , baking powder, baking soda, salt, and vanilla until well combined
4 In the cast iron skillet make a layer of graham crackers in the bottom of the skillet. Break as needed to fit around the bottom (It is okay to have some small holes)
5 Dollop pieces of the cookie dough around the cast iron skillet and then press in an even layer.
6 Cook for about 20 minutes until the dough is lightly brown
7 Remove from the oven and sprinkle on the chocolate chips followed by marshmallows
8 Place in the oven and turn oven on broil for 1-2 minutes until marshmallows become toasted on the top.
9 Then ready to serve! If you have any leftovers be sure to reheat to melt the chocolate and marshmallows
