1 Kings 19:7

New King James Version

And the angel of the Lord came back the second time, and touched him, and said, “Arise and eat, because the journey is too great for you.”

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Your sandals shall be iron and bronze; As your days, so shall your strength be.

Then he looked, and there by his head was a cake baked on coals, and a jar of water. So he ate and drank, and lay down again.

So he arose, and ate and drank; and he went in the strength of that food forty days and forty nights as far as Horeb, the mountain of God.