The answer is: Wood

1 Ki 17:10

When Elijah first stumbled upon the widow of Zarephath, she was out gathering sticks—just enough to make a small fire for one last meal. This detail not only paints a poignant picture of her dire situation, but it also highlights the vulnerability of those living on the edges of society during a time of famine. This widow, quite simply, had no leftovers, no bountiful feasts—just enough ingredients for a final meal with her son.

Interestingly enough, Zarephath was a Phoenician city, located in the territory of Sidon, entwining history with a backdrop of key interactions between Israel and neighboring nations. It's reminiscent of plenty biblical stories, where favored figures encounter people from outside their cultural or religious communities. It's a reminder that teachings and blessings can transcend borders and involve anyone, regardless of their origin or beliefs.

Furthermore, during this period, the prophet Elijah was earning a reputation as a divinely appointed underdog, combating drought and delivering messages of justice. The widow’s interaction with him culminated not only in a miracle of endless oil and flour but also in profound mutual acknowledgment—her recognition of Elijah’s prophetic spirit symbolizes a bridge between worlds, where a simple act of hospitality leads to divine deliverance. It emphasizes a collective survival woven through acts of kindness in desperate times—truly an echo relevant in our society today.