Place your egg whites in a stand mixer with vinegarand whip until stiff peaks. This should take about 10-15 minutes. Set aside.
Place the egg yolks in a high powered blender with the remaining ingredients and blend until smooth.
Spoon some of the yolk mixture into the whipped egg whites and blend until combined. Do this in 3 batches until combined.
Pour batter into a Sub Roll Pan using just 2 of the cavities.
Bake on the middle shelf of oven for 25-30 minutes. Shut oven off and keep in the oven for 5-10 minutes more. Allow to cool before removing and slicing.
This makes two 12 inch rolls. The serving is half of one sub roll or 6 inches.
Storage
These rolls can be stored in an airtight container on the counter for up to 1 week. You can also freeze for up to 3 months.