MIAMI — Burger King Corp. has begun serving its Tendergrill Chicken Sandwich on a new toasted ciabatta bun made with whole grains. According to Burger King, the bun is made from whole wheat flour and has 8 grams of whole grains and contains fewer calories, fat and sodium than its other bun options.

“Product innovation is at the core of our brand, and we are focused not only on introducing new products, but consistently evolving and improving our current menu offerings, including proven guest favorites like the Tendergrill Chicken Sandwich,” said John Schaufelberger, senior vice-president of global product marketing and innovation at Burger King. “By adding a new premium ciabatta bun made with whole grains to this popular sandwich, I’m confident that our guests will appreciate that this product is a great addition to a nutritionally-balanced lifestyle, without compromising on taste.”

The new sandwich has a suggested retail price of $3.99.