Secrets revealed: What are McDonald's chicken McNuggets REALLY made of?

What exactly is a McDonald's Chicken McNugget made of?

Yoga mats? Pink slime?

Genuine chicken?

Ponder these mysterious no longer.

McDonald's has decided to show the world the secrets behind the sometimes maligned, but unarguably addictive fast food staple.

In the latest installment of its promotional video series called ‘Our Food. You Questions’ McDonald's answers one of the most asked questions it says it gets.