White Castle introduces meatless burgers that 'bleed'

Vegetarians who once found it impossible to eat fast food have a new option that will give them the true White Castle experience.

The fast food chain is introducing the "Impossible Slider."
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It's the first plant-based and scientist-developed burger to hit the fast food market.

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It's made with a meat substitute that apparently tastes and even bleeds like real meat, but is made entirely out of plants.

How are they made: