Heath Bars- Recipe Box #25

I think this box was another auction find by my dad.  Here's the box:

It doesn't appear to be super old.  The recipe below has a note that says "Made in '83 Good", and many of the recipes from clippings are from the 90's.

Today's recipe is for "Heath Bars", attributed to "Barb".  One of Duane's coworkers brought some of these to the office during the holidays.  They are very good!  Here's the card:

Here's the recipe:

Heath Bars

Line cookie sheet (13 x 9 x 1/8 inch) with foil shinny side down.  Butter foil.  Place saltine crackers side by side.  Boil 1 cup butter, 1 cup brown sugar for 3 min - Pour over the crackers.  Bake 5 min. at 400 degrees.  Sprinkle 12 oz. pkg milk choc. chips over top with hot (?).  Spread evenly.  "Refrigate" & cut.

Note at bottom says: "I put back in oven to melt.  Hard to cut up too cold."

Enjoy!