Preheat oven to 350 and grease an 8in cast iron skillet
Add in ground flaxseed to a large bowl with 3 tbsp of water and allow to gel for about 3-5 min
While the flaxseed sets make the caramel if you have not already. In a jar melt the cream and oil and then stir in maple syrup. Mix the cookie butter in until smooth. The caramel is best making it the day before so it can set.
Add in all the ingredients except for the oats and stir to combine
Fold in the oats and sit to combine
Place half the batter in the bottom of the cast iron skillet and spread until even
Dollop a few spoonfuls of the caramel over the dough and gently spread to make a thin layer.
Crumble the remaining dough over the caramel and lightly press down to make the cookie flat.
Place in the oven for about 25 minutes until golden brown on the top and still goey in the middle.
Once removed for the oven, drizzle over desired amount of caramel, and top with flakey sea salt.
The ready to devour with ice cream, whipped cream, or just by itself.