This tuna melt sandwich is packed with two types of canned tuna fish and all sorts of pickled veggies, layered with cheese, and perfectly toasted on the griddle. A classic griddle sandwich recipe that’s perfect for a quick lunch or weeknight dinner! You may be wondering why we’re devoting an entire recipe post (and an... The post The Ultimate Tuna Melt Sandwich on the Blackstone Griddle appeared first on The Flat Top King.