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Celtic needed two late goals to deny Hearts the league crown last weekend, sparking a pitch invasion, but there was little drama this time around.

The champion proved much too strong for second-tier Dunfermline, with Daizen Maeda lobbing the goalkeeper after 19 minutes and Arne Engels firing home a powerful low strike from outside the area nine minutes before the break.

Kelechi Iheanacho dribbled through the Dunfermline defence, including the goalkeeper, to put the game out of reach in the 73rd before Josh Cooper's consolation goal 10 minutes from time.

O'Neill's name rang out around Hampden Park, as the man who won the double twice in his previous term at Celtic was acclaimed by the fans after his second spell as interim manager this campaign ends with another trophy.

O'Neill had first stepped in after Brendan Rodgers resigned in October, and Celtic turned to the 74-year-old once more in January after Wilfried Nancy's short reign proved unsuccessful.

Celtic won its last seven league games to snatch the title from Hearts, and its run to the cup final came during O'Neill's time in charge.

"It's definitely not my final, it's Celtic football club's final," O'Neill said. "I have had a bit-part to play in proceedings.

"The game has changed a wee bit since I first managed and some of the things we coach so I've had to learn. You're on the periphery then suddenly you're thrown into the middle of it and you get a perverse enjoyment from it when you win things."

O'Neill has repeatedly suggested in recent weeks that he is open to staying on for 2026-2027, repeating such claims here.

"If the season was to start tomorrow, I couldn't do it, but the season doesn't start tomorrow.

"The Scottish season does start quickly though, and I'm getting old.

"What I have is a passion for the game. I don't think that will ever leave me, even in my final days. That's always been me. I have a desire to win.

"I've done the learning in the last three or four months. Some tactics I saw befuddled me, but I'm learning. It's good at my age."

Asked if he had held any talks with Celtic's hierarchy since the Premiership title win, O'Neill said: "There were no discussions about that at all.

"Next week I might get to speak to the owner. If you're asking me whether I could step in after a three-day holiday, I wouldn't have that about me.

"[Majority owner] Dermot Desmond brought me back in the first place, I owe him a great deal, otherwise I wouldn't be here."

Celtic captain Callum McGregor climbed the steps to collect the cup, his seventh success in the competition.

"They're all special," McGregor said.

"Probably off the back of a difficult season, everything the team has had to go through it makes it all the sweeter.

"Martin O'Neill has been fantastic since he came back in. He's been backed up by amazing staff members. I'm sure he will be involved in some capacity (next season)."

For now, O'Neill remains coy on his future.

"There were no discussions about that at all," he replied when asked whether he could stay on.

"Next week I might get to speak to the owner. If the season was to start tomorrow, I couldn't do it.

"But the season doesn't start tomorrow. The Scottish season does start quickly though, and I'm getting old. What I have, is a passion for the game. I don't think that will ever leave me, even in my final days."