The 18-year-old striker was thrust into the spotlight at short notice when Anthony Martial picked up an injury while warming up for the round of 32 second-leg clash with Midtjylland. Rashford scored twice in a 5-1 win at Old Trafford and has not looked back since as he has starred for both club and country.
"For me that was the start of everything so it's very important for me," he told MUTV, when asked about that night in the Europa League. "The fans really helped me that night.
"Whatever you think about before the game and how you imagine they'll be, it's completely different. That's the biggest thing I remember. They were amazing.
"We're in the competition again and we want to win it. It's a competition the club have never won and we'd be very happy if we can be the first United team to do that."