[drooopy]

Does that 100% mean that they've sourced their meat from the entirety of the cow's body? Because they sure taste like it.

[gruez]

Mcdonalds claims their patties are "100% beef", and according to the CFR "beef" means "flesh of cattle".

https://www.mcdonalds.com/us/en-us/faq/burgers.html

https://casetext.com/regulation/code-of-federal-regulations/...