SANTA ANA ( — Another campaign is underway to urge In-N-Out Burger to offer a meatless option.

Apparently, a cheese sandwich and fries are not enough for some vegetarians.

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Good Food Institute started an online petition through, demanding that the Irvine-based burger chain offer meatless meals like a veggie burger.

The nonprofit group said “In-N-Out has been letting its fans down by failing to serve anything that would satisfy a burger-loving customer who wants a healthy, humane and sustainable option. As a company that prides itself on both customer satisfaction and ethical business practices, adding a meat-free option is a no-brainer.”

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So far, more than 17,000 people have signed the petition as of late Monday night.

Activists said when they hit their target of 25,000 signatures, they will take the petition to the company’s headquarters in Irvine.

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In-N-Out is expected to have a response Tuesday to CBS2/KCAL9’s Stacey Butler request for comment.