The chain says it can't avoid cross-contamination

The feta cheese on the burger can be removed but cross contamination is a concern (Photo: Luna Grill)

When

California's chain restaurant Luna Grill released a burger containing a

plant-based Beyond Burger patty this week, it added that it would not be

veganizing the burger by customer request.

Extra work

The company

normally tops the burger with feta, and while this can be removed, most of Luna

Grill's burgers are cooked in butter and the company is unwilling to cook the

Beyond Burger patties on a separate grill.

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The website

simply states: "Not able

to prepare vegan style."

It also

says, however, that the sandwich is the 'perfect option for Flexitarians' - and

highlights that the patty is 'made directly from plants'.

The Beyond Burger is fully plant-based and can be found in the meat section of certain grocery stores (Photo: Instagram)

Vegan options

Luna Grill

does offer a few fully vegan options - and both vegan and vegetarian dishes are

clearly marked on the chain's menus.

The primary

concern with their Beyond Burger is apparently cross-contamination.

A Luna

Grill Spokesman said: "The Beyond Burger is not cooked in butter. Beyond

Burger can be made with just plant-based ingredients, but it is prepared on the

same grill we use for our other menu items, which means it might come in

contact with animal products."