A brace from youngster Nicky Walker, who played in a free role just behind the front two, and further goals from Kieran Agard and Rob Milsom led the side to a comfortable victory.
Agard opened the scoring when he latched onto Michael Tidser's pass and chipped the 'keeper just before the half hour.
Walker then netted with a header via the post just after the break, and powered in a shot at the back post from Milsom's cross eiher side of the former Aberdeen man adding a classy third.
Team: Collin, Bradley, Rowe, Mullins, Milsom, O’Connor, Noble, Tidser, Walker, Hylton, Agard.
Unused subs: Thompson, Rose, Lucas, Cadman, Johnson.
The Millers are next up against Huddersfield at NYS on Saturday, 3pm.