Abde Ezzalzouli had put Betis ahead inside nine minutes in Wroclaw and Enzo Maresca's side went into the interval behind. Yet 45 minutes is a long time in football, as the Blues convincingly proved.

Cole Palmer was crucial to the comeback, as he produced the cross that Enzo Fernandez headed home to level the contest. The England international then produced another moment of magic that enabled Nicolas Jackson to guide the ball home from close range.

Yet the Blues were far from done. Jadon Sancho put gloss on the scoreline with a fine finish from an acute angle before, in second-half stoppage time, Moises Caicedo fired home our fourth.

The Conference League trophy, a new addition to our silverware collection, was lifted soon after. Another famous European night was complete.

Changes made

With a little more than 72 hours separating the final whistle at Nottingham Forest and the contest in Poland getting underway, Maresca opted to make five changes to his Chelsea side.

As expected, Filip Jorgensen started in goal in place of Robert Sanchez. Malo Gusto, Trevoh Chalobah and Benoit Badiashile came in for Reece James, Tosin Adarabioyo and Levi Colwill. And Nicolas Jackson returned to lead the frontline as Sancho dropped to the bench.

The atmosphere inside the stadium was white-hot come kick-off. It was befitting of the occasion. As was the ferocity with which both sides started the game – and chances were quickly fashioned.

Betis had the first as Anthony, on loan from Manchester United, attacked a looping cross into the Chelsea box. His effort cleared the crossbar, though.

The Blues instantly responded through Palmer, who tricked his way beyond Ricardo Rodriguez and tried to guide the ball toward the far post. But it was too close to Adrian, who saved.

An early setback

The opening goal arrived soon after. It went the way of Betis. Just nine minutes were on the clock.

Manuel Pellegrini's side pressed high as the Blues tried to build possession, and an attempted pass from Gusto was intercepted. The ball was worked to Isco, who showcased his quality by producing an expertly disguised pass to Ezzalzouli. He took a touch and fired beyond Jorgensen.

Those in the stands in green and white were emboldened and their side fashioned another opportunity as Marc Bartra exchanged passes with Cedric Bakambu and, from 30 yards, tried to whip a shot over Jorgensen. The Chelsea goalkeeper had to react and palmed the ball over his crossbar.

Maresca's side tried to halt the Spaniard's momentum with a spell of possession, and they probed the Betis backline when in the final third. Yet we were unable to fashion an opportunity. Conversely, Betis saw another attempt go begging as Johnny Cardoso shot over after good work from Ezzalzouli.

Maresca's side did take a firmer grip on the contest as the half progressed and our possession became more controlled. It enabled Pedro Neto and Fernandez to send efforts toward goal, yet both cleared the crossbar and we went into the break behind..

At the interval, James undertook a thorough warm-up. He was introduced at the start of the second period for Gusto.

The fightback

A response was needed from the Blues, and we looked to force a quick equaliser. Madueke’s threat grew and he whipped a cross into the box toward Jackson, who attempted a header at goal but was clattered into by the onrushing Adrian.

A corner was given from which the ball was cleared to James on the edge of the box. His well-struck effort was deflected wide.

Maresca made two more changes. Colwill was introduced for Badiashile; Sancho came on for Pedro Neto. Thirty minutes remained.

We needed just five of those to level the final. Palmer was the architect as he brought the ball forward from midfield, shifted it onto his right foot, and swung an inward cross toward the six-yard box. Fernandez timed his run perfectly and guided his header beyond Adrian.

Momentum was now firmly with the Blues and a roar went up from the Chelsea faithful every time we advanced. We quickly tested Adrian again as Palmer whipped a 20-yard shot toward goal. The goalkeeper saved, but it proved a temporary reprieve as from our next attack, we went ahead.

The goal was fashion by Palmer once more; it was another showcase of his quality.

The England international had gained possession down the right and stood up Jesus Rodriguez. With his foot on the ball, Palmer assessed his options before rolling away from the Betis winger and curling a cross into the six-yard box. There was Jackson, on hand to steer his attempt beyond Adrian.

Those in blue behind the goal erupted. Our substitutes joined the celebrations. There was a broad smile from Maresca. But the game was not done. There was work still to do – and we did it in style.

Pushing forward

Instead of sitting back and defending our lead, the Blues pushed on for more. A Jackson surge could have – and perhaps should have – resulted in our third, but a loose touch after a 50-yard sprint proved the striker's undoing.

With ten minutes to play, the striker was replaced by Kiernan Dewsbury-Hall, who has impressed throughout our Conference League campaign. It's why it was fitting that the midfielder had a hand in our third of the evening.

He broke forward from midfield before poking a pass in Sancho's direction. There was still a lot for the winger to do once he collected possession, yet he brought the ball onto his right foot and whipped a shot into the far corner. Adrian could do nothing to stop it.

Again, the substitutes burst onto the pitch. James and Maresca emphatically embraced on the touchline. The Blues were almost there.

As the final minutes ticked down 'We've won it all!' was chanted by the Blues faithful. It was a reference to this being our fifth different European trophy win, a feat no other club has achieved.

And as the game moved into stoppage time, Maresca's side put an exclamation point on our comeback as Fernandez shifted the ball inside to Player of the Year Caicedo, and he fired confidently into the net.

Cue another round of jubilant celebrations. The Blues' job was done; the trophy was lifted soon after. Another memorable night for all associated with Chelsea was complete.

What it means

Another piece of European silverware for the Blues, and we become the only club to have won each of the five major European trophies.

The teams

Chelsea: Jorgensen; Gusto (James 46) Chalobah, Badiashile, Cucurella; Fernandez (c), Caicedo; Madueke, Palmer (Guiu 88), Pedro Neto; Jackson (Dewsbury-Hall 80)
Chelsea substitutes: Sanchez, Bergstrom, Acheampong, Colwill, Tosin, Amougou, Sancho, George, Nkunku
Scorers: Fernandez 65, Jackson 70, Sancho 83, Caicedo 90+1
Booked: Badiashile 55, Palmer 79, Sancho 85

Real Betis: Adrian; Sabaly, Natan, Bartra, R.Rodriguez (Perraud 46); Cardoso (Lo Celso 85), Isco (c), Fornals (Altmira 85); Anthony, Bakambu, Ezzalzouli (J.Rodriguez 54)
Real Betis substitutes: Vieities, Gonzalez, Perraud, Ruibal, Mendy, Ortiz, Flores, Garcia
Scorers: Ezzalzouli 9
Booked: Anthony 88

Attendance: 39,754

Mark our Conference League triumph – and the Blues becoming the first club to win every major European trophy! – by clicking here to buy a commemorative t-shirt from our 'We've won it all again' range!