How to make a rainbow-colored grilled cheese sandwich (glitter optional)

Remember the “unicorn food” trend? We’re revisiting it with a recipe for rainbow-colored grilled cheese.(Editor’s note: A version of this story was initially published in September 2018.)If you’re a cook who doesn’t mind using plain ol’ food coloring to brighten up your day, here’s a tie-dye grilled cheese sandwich that is a treat to look at and — with all those good cheeses — delicious to eat, too.Tie-Dye Grilled […]