I don't have a list but if u look on Google for "buff ukes mangago" you'll find a bunch of them.
No switches but a list of buff and manly ukes
https://www.mangago.zone/home/mangalist/786477/
Maybe you've read some of these, but here's a list of switch couples:
https://www.mangago.zone/read-manga/thirst_1/
https://www.mangago.zone/read-manga/wagging_the_tail/
https://www.mangago.zone/read-manga/playtime_with_hakdo/
https://www.mangago.zone/read-manga/dark_heaven/
https://www.mangago.zone/read-manga/pygmalion_1/
https://www.mangago.zone/read-manga/liebling/
https://www.mangago.zone/read-manga/a_small_coin/ (shounen ai)
https://www.mangago.zone/read-manga/happy_shitty_life/
Give me yaoi where they're switches plplz!!! Or yaoi with a big (more masculine) uke!! Pleeaase ┗( T﹏T )┛