Uuuummm, that's a McDonalds cup!!! What gives??? This isn't an off-menu 1/3 pound sirloin burger, is it???
It is a Create Your Taste.
It is a way to make your own by choosing how the burger is made by selecting these ingredients and since there are 30 things to choose from, you can change make your own burger each time or have the same thing as last time.
It is a nice thing, and a nice way to try some odd combinations that just might work.
I just looked at the US McDonalds and you don't seem to have a Create Your Taste(CYT) and we aussies call McDonalds "Maccas"
You can choose from 3 buns.
Brioche, Bakers or lettuce wrap
Cheese
Cheddar, Colby jack, Swiss Cheese, McDonald's cheese, Shaved Parmesan
Extras
Angus beef, Crispy bacon, Rasher bacon, Egg, Guacamole, Tortilla strips, Grilled mushroom, Grilled pineapple
Sauces
Ketchup, Tomato chilli jam, BBQ Dijonniase, Aioli, Herb Aioli, Big Mac special sauce, Chipotle mayo
Fresh
Whole leaf lettuce, Jalapenos, Tomato, Caramelized grilled onion, Long sliced pickle, Sliced beetroot, Red onion
https://mcdonalds.com.au/page/cyt-your-ingredients