Horizon Forbidden West is filled with resources and materials for you to sell and craft throughout your journey in the forbidden west. These materials all have their uses—some will allow you to craft arrows, traps, or other useful items like the fast travel packs. Horizon Forbidden West adds new resources, like the food resources.
Wild Beans are a common food resource and are harvested from the Beanstem plant. This plant is oftenfound growing in No Man's Land. You can typically find the plant on the side of paths or major roads around No Man's Land. Keep an eye out for this tall green plant with yellow flowers.
What are Wild Beans used for?
Wild Beans is a food resource, and it is used for purchasing food from cooks in Settlements. You will need to play a few hours before coming across your first settlement with a cook, which can be found at Chainscrape. The cook here will give you a side quest, which you must complete before unlocking the ability to get food. To make food, you will need to supply the cooking materials, and they will cook food for you, which will provide various buffs for Aloy.
For more on Horizon Forbidden West guides, check out What is Golden Bloom used for in Horizon Forbidden West? and What is Golden Bloom used for in Horizon Forbidden West?