Something you can't go without and a substitute never quite cuts it.

Plain M&M's. Any other knock-off candy shell coated chocolate candy just isn't the same.
actually, M&Ms ARE the knock off
the real deal is called "smarties" (no not, the little candies that come in a roll) and predates M&Ms by half a decade


Which came first, M&Ms or Smarties? - Wisdom Biscuits


(this is the way i remember them, in the tube)