Use two pieces of foil overlapping, so there is plenty of foil to go up the sides and curl over the edges. Having the extra foil makes it easier to lift the bars out of the cookie sheet when cutting. You can use Kraft Premium Caramel Bits, which are little balls of unwrapped caramels. Only one local store carries this year round, otherwise it is seasonally available. Making the trip to buy the bits saves the hassle of unwrapping the caramels, because I always have one or two pieces that I can’t completely unwrap. The sea salt can be omitted, I have a family member who hates salted caramel. It still comes out great without the salt. I cut the bars in the 8 by 4 rows, then each square I cut diagonally into two triangles. These bars are so rich, I like having the smaller pieces, plus triangles are cute!