And the barrel of meal did not run out, neither did the jar of oil fail, according to the word of the LORD, which he spoke by Elijah.
Read Chapter 17
Ephrem The Syrian
“She went and did as Elijah said.” Consider the faith of the widow, her obedience and charity, and then meditate on the greatness of the reward that he granted her. Indeed it is written, “The jar of meal was not emptied, neither did the jug of oil fail, according to the word of the Lord that he spoke by Elijah,” nor did the number of her family members diminish, because, in exchange for the nourishment given to the prophet, her dead child was resurrected. - "On the First Book of Kings 17.2"