Exodus 16:4 records God raining bread from heaven, the manna Paul calls spiritual food.

Exodus 16:15 identifies the manna as bread from the Lord, the same spiritual food Paul mentions.

Deuteronomy 8:3 explains manna taught dependence on God's word, reinforcing Paul's point that it was spiritual food.

Nehemiah 9:15 recounts God giving bread from heaven, the manna Paul calls spiritual food.

Psalm 78:23 describes God raining manna as bread from heaven, the same spiritual food Paul references.

Psalm 105:40 describes the manna as 'bread of heaven' — the same event Paul calls spiritual food here.

Psalm 78:24 directly mentions manna as 'grain of heaven' — the same event Paul refers to as spiritual food.

John 6:31 quotes the OT 'bread from heaven' — the same manna Paul calls spiritual food here.

John 6:49 notes that ancestors ate manna yet died — paralleling Paul's warning that spiritual food did not guarantee life.

Nehemiah 9:20 links manna with God's Spirit, paralleling Paul's identification of manna as spiritual food.