Melt your dark chocolate pieces by microwaving in 20 second bursts, stirring in between.
Spread out your pistachios on a piece of parchment paper (close together). I like to add a little more than 1/4 cup in case my chocolate goes a little further than I think it will.
Drizzle chocolate on top of pistachios, using a spoon to spread into a thin layer on top of the pistachios.
Add a small bit of flakey sea salt to the top- you’ll want to add more once the chocolate is almost dry.
Stick in the fridge until the chocolate is almost solid, but not 100%. Add more flakey sea salt- you’ll be able to see this one, but probably wont see the salt added when the chocolate was wet.
Once completely solidified, break into pieces and store in the fridge.