/cdn.vox-cdn.com/uploads/chorus_image/image/47021680/crabby-2-lr.0.0.jpg)
By definition, any food items placed between two layers of bread make a sandwich. This leaves a lot of room for possibilities, thus making the decision of which sandwich to choose nearly impossible.
Use this flowchart to comb out your options and meet the sandwich you didn't know you were craving. There's one for every day of the week and then some.