It strengthens the legs and hips when cooked into a dish, which helps increase your movement speed. (zeldadungeon.net)
Those can be used not only to attack opponents, but also to paint the map — which is one of game's objectives and allows increased movement speed and faster ammo regeneration. (gamepressure.com)
These items do things like increase movement speed, give armor, damage or magic power, diminish ability cooldowns, etc.. (joystikrevolution.com)