McDonald’s will debut kale as an ingredient in the not-too distant future as the fast-food giant continues its efforts to adapt to changing consumer preferences, according to a recent note from Janney Capital Markets.

“Possibilities include kale for use in salads, or perhaps a kale smoothie,” wrote Janney analysts in a note to clients. “More generally, McDonald’s clearly aims to raise consumers’ perception of the quality of its food. Adding kale to the menu in some way could help be a step in this direction.”

The upcoming menu addition was discussed during the fast-food giant’s turnaround summit in Las Vegas last week, a source familiar with the meeting told CNBC.

It is the latest sign that McDonald’s is committed to more change in its struggling U.S. unit. Last week week, it vowed to switch to sourcing chicken raised without human antibiotics within the next two years. It also plans to offers customers milk from cows that are not treated with rbST, an artificial growth hormone.

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