The plant-based patties (Whopper and small burger) are prepared in the same way as our original beef burgers, so that it gets the same unique Flame-Grilled taste. Due to this method of preparation, our plant-based burgers may contain traces of beef. The plant-based Nuggets are prepared in our multi-fryer. Due to this method of preparation, our plant-based Nuggets may contain traces of fish or chicken.