Scrambled Egg Whites with Cheese and Home Friesa

small uncooked red potato(es) diced

spray(s) cooking spray

cup(s) uncooked scallion(s) chopped (use both green and white parts)

cup(s) water

cube(s) chicken bouillon cube without MSG (about 4 g)

red wine vinegar

paprika

table salt or to taste, divided

black pepper freshly ground, or to taste, divided

large egg white(s)

low fat American cheese single(s) torn or shredded