Mark 6:41:

And when he had taken the five loaves and the two fishes, he looked up to heaven, and blessed, and brake the loaves, and gave them to his disciples to set before them; and the two fishes divided he among them all.

See also:

Objection: God Meets Your Spiritual Needs, Not Your Physical Needs
Objection: The Lord Puts Us on Our Backs That He May Teach Us to Look Up