Popsugar Lifestyle Road Trips How to Make a To-Go Sandwich Assemble the Perfect To-Go Sandwich For the Road 13 May, 2018 by Anna Monette Roberts View On One Page Photo 5 of 12 ADVERTISEMENT () Start Slideshow Share This Link Copy ← Use Arrow Keys → 5 Add the Avocado Slices Add the avocado to the bottom of the sandwich half (inside the "bread bowl"). If the avocado is less ripe, slice it very thinly and spread the slices across the bread. Previous Next Start Slideshow Road TripsSandwichesCooking TipsHow-ToCooking BasicsSummerTravel