The Crispy Chicken Sandwich and Deluxe Crispy Chicken Sandwich are being tested in Houston and Knoxville, Tenn., through Jan. 26.

McDonald’s is testing its new Crispy Chicken Sandwich and Deluxe Crispy Chicken Sandwich in Houston and Knoxville, Tenn.

The Crispy Chicken Sandwich has a fried chicken filet topped with butter and pickles. The deluxe version also includes tomatoes, lettuce and mayo.

Both sandwiches use a new chicken filet that differs from McDonald’s McChicken and Buttermilk Crispy Chicken Sandwich.

A McDonald’s representative told Business Insider that the Crispy Chicken Sandwich and Deluxe Crispy Chicken Sandwich will be tested from Dec. 2 through Jan. 26 and hinted at a national release in 2020.

McDonald’s has reportedly been working on a new chicken sandwich for months. CNBC reported in July that McDonald’s franchisees were pushing the company to make the development of a new chicken sandwich its “top priority.”

McDonald’s is also planning to roll out chicken at breakfast in 2020, according to Business Insider, though the company has not announced what the new menu items will be.

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