McDonald's is releasing a new line of breakfast sandwiches with a tongue-tingling surprise, but this isn't the Golden Arches' first foray into spicy breakfast.

McDonald’s is putting a spin on a breakfast favorite, but it won’t stick around. Customers can get their first bites of the new Spicy McMuffin breakfast sandwiches starting Tuesday, July 8, at participating McDonald’s restaurants nationwide, the fast-food giant said.