HOUSTON – McDonald’s is rolling out spicy chicken McNuggets and a “Mighty Hot Sauce” on Wednesday, the fast food chain announced this week. To celebrate the release, McDonald’s is offering six free nuggets – spicy or classic -- when you buy a 6-piece through the restaurant’s app. The McNuggets are “breaded with a sizzling tempura coating made of both cayenne and chili peppers” and the hot sauce is made of “crushed red peppers and spicy chilis,” according to McDonald’s. McDonald’s noted in its news release that this is the first flavor change the chicken McNuggets in the U.S. since their 1983 debut.