He wanted to be the Lass-Man standing. Instead, he was one of three shown the door after Lord Sugar's patience ran out with the hapless entrepreneur who had faced him four times in the boardroom.
The 28-year-old Buckhurst Hill Chabad member was fired after one the peer's advisors, fellow Jewish businessman Claude Littner, dismissed his online events plan as "ridiculous".
But Mr Lassman, who left King Solomon High School at 16 with no qualifications was not short of confidence as he made his way back to Chigwell and fiancee Sophie Stoll.
"I got a tremendous amount of experience and learnt from mistakes," he said. "The difference between me and the other candidates was that a lot of them bottled it. I wasn't hiding anything. I put myself in a position to make mistakes. I put myself out there.
"Lord Sugar said I improved – and I did. I learnt a lot from him. The process was good for me.
"Now, I've got a lot of options. It's not that I don't want to name names, but I really don't know what will happen.
"People have met me and got a different impression to what's been going on during the show. I've got the business side, but also an outgoing personality."
It was that outgoing personality that inspired former JFS student Ms Stoll to put his name forward for the show. And she confirmed this week that they were in "talks" with producers of another reality show, The Only Way is Essex.
Mr Lassman was not prepared to confirm a TOWIE deal but is thought to have once turned down a part to concentrate on his pub quiz business.
He also explained the hand gestures he used during his many boardroom confrontations, scenes some viewers mistook for him crossing himself.
"They were about mind and body. They were for my dad. I would like to think he had been with me. He died five years ago today – the yahrzeit – and I'm feeling strong. It's not a coincidence."
As for Ms Stoll, she found the media attention tough. She said: "We went for a mini-break and a photographer turned up, he follows us everywhere, it's getting annoying. It's intrusive."
Last month, Mr Lassman was pictured picking up a £130,000 Ferrari from a showroom in Colchester; and seen downing a six-litre bottle of Cristal champagne after spending £30,000 on one night out in Essex.
But right now Ms Stoll has her own cash dilemma - working out how to spend her £200,000 wedding budget.
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