The key to good tuna is to start with well, good tuna… Spread the toasted muffins or bread with the … We are sorta kicking this up a notch and creating some of the best tuna you ever did taste. The open-faced sandwich is topped with the tastiest tuna … There are obviously endless ways to prepare these ingredients, but we happen to think that this particular method is the absolute best! A tuna melt sandwich is a hot sandwich that includes bread, melted cheese and tuna fish. A good tuna sandwich is one thing, a good grilled cheese is another, but when you combine the two….Ohhhh weee you get cheesy goodness. Good Tuna. Spread the bread out on a baking sheet and toast. Preheat the broiler and set the rack about 4 to 5 inches from the heat source. Tuna Melt Sandwich.