First, cream together butter and sugar with a bit of sea salt.
Next, add the eggs and vanilla and mix to combine.
Slowly mix the flour into the wet ingredients, to form a dough.
Wrap the dough in plastic wrap and place it in the fridge for 2 hours.
Roll the chilled cookie dough out on a lightly floured surface.
Use various holiday-shaped cookie cutters to cut out the "panes" of cookie dough.
Add crushed Jolly Rancher candy to the center cutout of each cookie.
Bake the cookies at 350ºF for 10-12 minutes. Let them cool.
Stained glass cookies are a delicious, crunchy addition to your holiday cookie plates!