Preheat oven to 425°F. Top cookie sheet with foil. Line cookie sheet with saltine crackers.
Melt 1 cup butter into sauce pan. Add 1 cup brown sugar. Boil butter and brown sugar for 3-5 minutes until desired consistency is reached, stirring continuously and being careful to not burn or overcook the sugar.
Pour caramel over crackers. Top with ½ package (¾ cup) semi-sweet chocolate chips while caramel is still hot. Top with sea salt. Enjoy!