Preheat oven to 400 F
Add the warrior bread mix to a large bowl.
In another bowl, whisk together the water, egg whites, and vinegar.
Pour the liquids into the bread mix and stir well to combine. Knead for about a minute, then allow to rest for a few minutes.
Line a baking sheet with parchment paper.
Split the dough into 6 equal parts. Form a 4 inch disk with each piece of dough and place them evenly on the baking sheet.
Bake for about 40 minutes until cooked through.
Remove from the oven and slice in half. Turn the oven to 325. Return the bread to the oven with the cut side up.
Cook for about 45 minutes. Remove from the oven and allow to cool.
Rip the bread up with your hands into small pieces. Return to the oven and cook another 30 minutes until dried out.
Pulse in a food processor until breadcrumb sized pieces.
Store in an airtight container in a dark cabinet until ready to use.