How old were your kids when they first tried their first fast food?

My niece got her first bite of my cousin's McNuggets and fries at the grand age of 14 months. Haha.. Now my cousin has to order her fries without salt because my niece will "fight" for the packet. That being said, my cousin prepares most of the food and would sometimes air-fry/bake nuggets and potato as a healthier alternatives. Still, my niece seemed to be able to know the difference between store-bought and homemade "fast food". Children these days are real smart!