Cottesloe© Photo Healy Racing
Cottesloe came from last to first to land the spoils in the first division of the mile and a half handicap at Dundalk.
Declan McDonogh switched his mount out two furlongs from home and started to make ground up.
There were plenty in with chances going into the final furlong but Charles O'Brien's charge hit the front in the last 100 yards.
The Teofilo gelding was going away at the finish to post a two-and-a-quarter length verdict over Bensoon
The 11/1 winner was making his debut in handicap company after hinting at ability in maidens.
O'Brien wasn't on hand to greet his winner afterwards.
Fran Berry returned to the saddle tonight for the first time since a bad fall at Clonmel in September.
Progressive hurdler Mulleady was sent off 2/1 favourite here to give him a winner but could only finish twelfth.