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Craving a sweet treat? NHS surgeon shares simple 3-ingredient dessert that has more fibre than 5 slices of bread

Published on: Sep 21, 2025, 17:06:58 IST
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This healthy dessert only requires 3 ingredients. (Unsplash)
This healthy dessert only requires 3 ingredients. (Unsplash)

Dr Karan Rajan has shared a delicious dessert recipe that is packed with fibres and antioxidants - a solid treat for your gut and brain health.

Craving dessert but worried about the guilt that usually follows? What if your sweet treat could actually nourish your gut and boost your brain health at the same time? Dr. Karan Rajan, a UK based NHS surgeon and popular health content creator, has shared a fibre-packed, antioxidant-rich dessert that does just that. In an Instagram video posted on August 24, he revealed a simple three-ingredient recipe that turns an indulgence into a legit health snack.

Also Read | Upgrade your chia water: NHS surgeon reveals a smart hack to make chia seeds even healthier

Ingredients

  1. 100g of frozen raspberries (you can use any berry; can be fresh or frozen) [7g of fibre]
  2. 50g of 70% (or higher) melted dark chocolate [7g of fibre]
  3. 30g of crushed pistachio (you can use any nut) [3g of fibre]
  4. Parchment paper

Process

Dr Rajan said, “If you want a dessert that's 16 g of fibre with just three ingredients and is a powerhouse for your gut and brain, here's how to do this.”

  1. Dr Rajan said, “If you want a dessert that's 16 g of fibre with just three ingredients and is a powerhouse for your gut and brain, here's how to do this.”
  2. First, break the frozen raspberries into individual drupelets. According to the gut health expert, frozen raspberries are a better option, as compared to fresh ones, since they are easier to break, and they are a cheaper alternative with the same benefits.
  3. Transfer the chopped/broken raspberries on to parchment paper.
  4. Melt the dark chocolate and pour over the raspberries. The surgeon recommends using 70% to 80% dark chocolate and adds, “The higher the cocoa percentage, the higher the fibre, antioxidants, and lower the sugar.”
  5. Before the molten chocolate sets, quickly sprinkle the crushed pistachios on top.
  6. Freeze the prepared dessert for a minimum of one hour, or for however long you can resist eating.
  7. Gobble it up before anyone else asks for a share!

Also Read | NHS surgeon reveals 3 surprising health benefits of eating with your hands: ‘Mini workout for your gut immune axis'

Health benefits

“This DIY dark chocolate, raspberry, and pistachio mix is a legit gut-and-brain snack,” says Dr Rajan. According to him, “Raspberries are rich in soluble fibre and polyphenols, good for the gut and brain.” The soluble fibres act as prebiotics for your gut microbes. Dark chocolate contains cocoa flavanols, which supports blood flow and brain function. The surgeon continues, “Pistachios add more prebiotic fibre, healthy fats, and polyphenols for both gut health and cognition.” They add more fibre diversity to your gut microbiome. He also adds that this snack gives you more fibre than five slices of whole wheat bread.

Note to readers: This article is for informational purposes only and not a substitute for professional medical advice. It is based on user-generated content from social media. HT.com has not independently verified the claims and does not endorse them.

  • Eshana Saha
    ABOUT THE AUTHOR
    Eshana Saha

    Eshana Saha is a fresh face in lifestyle and cultural journalism, bringing a refined, multidisciplinary perspective to the intersection of entertainment, fashion and holistic wellbeing. With less than a year of professional experience, she has quickly adapted to high-pressure editorial environments and currently works full-time with HT Media. Prior to this, she interned for nearly six months with Hindustan Times’ entertainment and lifestyle vertical, where she gained hands-on experience in digital reporting, trend analysis and editorial storytelling. Based in New Delhi, Eshana specialises in comprehensive coverage of major cultural moments — from international film press tours to the curated aesthetics of global fashion showcases, award shows and music-centred events. She holds a Bachelor’s degree in English from St Xavier’s University, Kolkata, and a Master’s degree in English from the University of Delhi, equipping her with a strong academic foundation and a keen ability to deconstruct complex cultural trends into clear, high-impact narratives. Beyond the red carpet, Eshana has developed a growing focus on health and wellbeing reporting. She bridges the gap between celebrity-driven trends and practical, evidence-informed lifestyle advice, ensuring her work remains both aspirational and grounded in editorial rigour. She has extensively covered the health implications of Delhi’s air pollution crisis, while also playing a key role in amplifying expert-led insights on women’s health and mental wellbeing, helping translate complex medical perspectives into informed, impactful public awareness. An artist at heart, she explores multiple creative forms — from visual arts and music to culinary experiments — and brings a creative’s eye for nuance, texture and detail to every story. Whether analysing runway dynamics or examining emerging wellness movements, she remains committed to accuracy and the highest standards of contemporary journalistic ethics.Read More

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