Ben Chiarot earned the other assist on the play.
Goaltender Jake Allen made way for Kevin Poulin midway through the game, stopping all 15 shots he faced.
Toronto meanwhile got on the board with 8:45 to go in the second period, with a shorthanded marker.
David Kampf took advantage of an error by Poulin to make it 3-1.
But Anderson restored the three-goal lead just 1:45 later, with another power play tally.