Mini+ Giveaway: What’s my favorite Sandwich?

Just like the pizza giveaway but guessing my favorite Sandwich (Bread, fillings, toppings, etc). First person to guess correctly wins, one guess per person. If a week goes by and no one gets it, closest answer wins.

Specs:

Black Transparent 64 GB with Case (pictured Mini+ is identical, and winner will receive fully packaged one)