New permanentPermanent$2.49

Southwest Veggie Slider at White Castle — launch date and LTO window

A veggie slider featuring a Dr. Praeger's patty of sweet potatoes, black beans, corn, red bell peppers, onions, and carrots with a crispy brown rice crust, topped with jalapeño cheese on a slider bun.

White Castle Southwest Veggie Slider — Image from foodrepublic.com. Shown for identification; rights remain with the publisher.

Key data

White Castle launched the Southwest Veggie Slider, announced October 10, 2026, priced at $2.49. It is a new permanent in the burgers category. This record is backed by 1 source and 1 independent outlet.

The facts

Field	Value
Chain	White Castle
Launch type	New permanent
Announced	October 10, 2026
Available from	Not stated
Available until	Not stated
Price	$2.49
Markets	Columbus
Channels	Not stated
Category	Burgers

Sources

Every published launch carries at least one source with a quote from the original announcement.

Consumer mediaOctober 10, 2026
“The one and only burger in our roundup that has been honored with permanent status on its chain's menu this year isn't a beef sandwich at all — it's the Southwest Veggie Slider from White Castle”
foodrepublic.com ↗

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