They're the first national restaurant chain to get in on the trend.

California Pizza Kitchen, the restaurant chain known for its inventive pies, will have a healthy new option in early 2018.

The restaurant’s is unveiling a pizza crust made primarily of cauliflower—which home cooks have been doing for years, but is a first from any national restaurant brand.

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The crust is a lower-carb alternative to their hand-tossed dough and made with gluten-free ingredients. In 2018, customers will be able to order the new crust on any CPK pizza for $2.50 extra.

Image zoom California Pizza Kitchen

“Cauliflower has proven itself to be this amazing powerhouse ingredient – it’s healthful, it’s extremely versatile, and best of all, it’s delicious,” says Brian Sullivan, Senior Vice President of Culinary Innovation. “As cauliflower’s popularity continues to soar, alongside a demand for vegetable-centric meal options on the whole, we were inspired to put our creative California twist to the trend.”

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Image zoom California Pizza Kitchen

Starting on Monday, Nov. 27, the chain will first introduce their vegetable-based crust at select Southern California locations (Manhattan Beach, Redondo Beach, Rainbow Harbor); and in early 2018 will be served up at all CPK locations nationwide (excluding airport, stadium, university and hotel locations).

WATCH: How to Make Cauliflower Buffalo Wings

California Pizza Kitchen was already first among national restaurant brands to introduce a gluten-free crust systemwide back in 2013.