Ingredients - Impossible Burger:

https://faq.impossiblefoods.com/hc/en-us/articles/360018937494-What-are-the-ingredients-in-Impossible-Burger-

Water, Soy Protein Concentrate, Coconut Oil, Sunflower Oil, Natural Flavors, 2% Or Less Of: Potato Protein, Methylcellulose, Yeast Extract, Cultured Dextrose, Food Starch Modified, Soy Leghemoglobin, Salt, Mixed Tocopherols (Antioxidant), Soy Protein Isolate, Vitamins and Minerals (Zinc Gluconate, Thiamine Hydrochloride (Vitamin B1), Niacin, Pyridoxine Hydrochloride (Vitamin B6), Riboflavin (Vitamin B2), Vitamin B12).

Contains: Soy

https://www.businessinsider.com/what-is-in-impossible-burger-ingredient-list-2019-5?op=1

"The Impossible Burger is kosher and halal certified but not organic. "

Essentially - CARBS & Chemicals - and plant protien.

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Ingredients - traditional hamburger:

Beef, ground.