Out of curiousity does anyone have a solid recipe for this style of bread. ?
Factory bread? I could but I won't. I like humans.
If you knew what was in them you'd run!
A soft white bread with soft crust and sesame seeds and sweetness.
how about soft feathery white bread made into buns?
You're probably looking for a store-bought style bun.
I like the idea of water roux in the "cotton candy" bread Mini posted in her response.
I found "Wonder Bread Hamburger Bun" ingredients on the Walmart web site
From here you could approximate a formula; the percentages are an educated guess, based on my own experience.
For the "Less than 2% of ingredients", the salt is essential.
Dough conditioners? Here's an interesting article on dough conditoners from Lallemand in PDF format, which list the types of ingredients in dough conditioners, what they do, and usage percentages in dough formulas.
Yippee has been working successfully with water roux for a while and the inclusion of it in bread without all the enhancers is another way to go. You can also use the site search machine looking up water roux for more ideas.