As part of her role as a host of The Five O'Clock Show, the TV presenter guzzled down 250 grams of jelly in just 60 seconds with a blindfold on in a bid to enter the record books.
Wearing an orange summer dress with her hands tied behind her back, the 36-year-old managed an impressive performance as she ate the children's favourite in rapid time.
I don't think you're ready for this jelly... Denise Van Outen gobbles up some red jelly on The Five O'Clock Show yesterday
This could get messy: Blindfolded Van Outen aims for the plate and hopes for the best
It marked the first time she had been back to work since becoming a mother.
While Sykes joined her in the record books by putting on the most hair rollers in one minute, their guest, chef James Martin wasn't so successful by trying to put on as many bras as possible in a minute.
Last week, she hit out at nameless female TV presenters who are too 'sugary' for the cameras.
Lack of support: Chef James Martin tries... and fails to break a record for wearing the most bras in a minute
Although she doesn't name anyone in particular, squeaky-clean mother of one Holly Willoughby and The One Show's Christine Bleakley are the most popular female presenters fronting primetime shows at the moment.
And in stark contrast to the ladette culture new mother Denise once actively promoted, they are rarely seen falling out of bars or showbiz parties in a state of disarray.
She told TV Times: 'When we were presenting years ago on The Big Breakfast, the presenters were all very real.
'You had Zoe Ball and Sara Cox and we just said it how it is. We got labelled 'ladettes', but we were just opinionated women.
Firm friends: Van Outen's co-host Melanie Sykes also broke a record by putting on the most hair rollers in a minute