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YpPVx TIL that cashews grow out of the bottom of a fruit called a cashew apple. Even though the apple is edible, it's usually just the cashew itself that is eaten, while the apple is thrown out or eaten locally.
wD67 TIL Quinoa is so nutritionally dense and complete that it is being considered a possible crop in NASA’s Controlled Ecological Life Support System for long-duration manned space expeditions.
nDdr TIL of a grain called Amaranth. It was the primary diet of the Aztects until outlawed by the Spanish. It is gluten free, can be roasted like popcorn, high in protein, has edible leaves and roots, and is used as a dye.