The 25-year-old dated the Great British Bake Off star, 54, for two years before their ill-fated relationship crumbled.
And if Paul’s alleged eating habits are anything to go by, it may have been the catalyst for their bitter ending.
Summer didn’t hold back dishing out surprising revelations about Paul’s food choices, even going on to admit that the baker simply “didn’t bake” at home.
Taking to her Instagram, the former barmaid answered fan questions on social media during a short Q&A.
It was then, when one fan asked: “Could you bake before you met Mr Bake Off himself?”
She was quick to respond with: “He didn’t bake – he liked his cheap sliced bread!”
Another fan quizzed: “Did you ever get nervous cooking for Paul as he’s a chef.”
To which Summer responded: “Lol. Firstly, he isn’t a chef. And secondly no not really, he’d just eat Rice Krispies most evenings so I’d cook for myself.”
Summer then added cheeky hashtag: “#thatsifhewasntatthepub,” claiming Paul was only tucking into his Rice Krispies if he wasn’t out for a boozy night.
It comes as Summer furiously hit out at a troll who said she only dates men for cash.
The redhead slammed a persistent troll on Instagram who claimed she didn’t work for her money and lived off her exes.
Summer responded to a keyboard warrior who wrote: “Still living off his name then yeah? Anything to get into the papers,” after she claimed Paul sent her more than 25 legal letters.
Not having any of it, Summer fired back: “Money only impresses lazy girls. When a woman works hard, a man with money is a bonus, not a ladder to an upgrade.”
She then went on to share a snap of her Instagram Story showing identical images of a woman taking money out of an ATM.
Above one picture it said: “Me with a man…” meanwhile the other said: “Me without a man…” – with the snaps making a point that the same amount of money is withdrawn from both.
She added: “Just in case anyone was confused.”
Summer also recently hinted Paul slapped her with “more than 25/30” legal letters in the wake of their break-up.
She had been asked by a fan how many legal letters she got from a “certain nameless ex”, to which she responded: “What a waste of money.”
The couple split after Summer refused to sign a non-disclosure agreement that would gag her from discussing their relationship – including intimate details of their sex life.
What’s more, the gagging order would even stop Summer talking to her family about their romance.
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