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