morsel

/ˈmɔrsəl/
noun
  1. A small piece or amount of food; a bite-sized portion.
    • The bird picked up a morsel of bread from the ground.
    • He ate every morsel of the delicious stew.
    • She saved a morsel of cake for her little brother.
  2. A small amount of something, especially something desirable or interesting.
    • The detective found a morsel of evidence at the crime scene.
    • The article contained a morsel of truth among the rumors.
    • She offered a morsel of advice to the nervous student.