Catechism of the Catholic Church §2830 — excerpt
"Our bread": the Father who gives us life cannot not but give us the nourishment life requires - all appropriate goods and blessings, both material and spiritual.
This translation is under copyright, so only the cited words are quoted here. Follow the link for the full text. Translation: English translation of the Catechism of the Catholic Church, 2nd ed. (Libreria Editrice Vaticana), as posted at vatican.va.
Also cites: St. Cyprian, De Dom. orat. 21 PL 4, 534A