This super easy caramel lovers' (non-chocolate) dream pie is from Simplethings Sandwich & Pie Shop in Los Angeles. The filling is sweetened condensed milk sprinkled lightly with sea salt and baked until thick and gooey, then chilled in a simple graham cracker crust. Chill time not included. To Make Ahead: The recipe can be prepared through Step 2 up to 5 days ahead. Refrigerate the crust and filling separately.