Preheat the oven to 350℉.
To a bowl add flour and sal. Mix and set aside.
Cream the butter, brown sugar and vanilla until light and fluffy.
Add the flour and combine.
Line a 9x13 baking pan, line with a parchment paper and spray. Add the butter-flour mixture and press it evenly throughout the pan.
In a heavy bottomed sauce pan, heat the brown sugar and butter until it is dissolved and boil for a minute.
Pour over the butter cookie crust. Top with pecans and chopped caramel.
Bake for 19 min at 350℉.
Remove from the oven and add the chocolate chiops evenly and wait for two minutes. The chocolate will begin to melt in the heat.
Spread the chocolate evenly and sprinkle the sea salt flakes if you prefer. Let it cool completely. Cut into 24 bars.
Store in airtight container until use.