Soups
Green Olive, Carrot, Sweet Corn and Frog Leg Soup
Traditionally used to nourish yin, clear heat, reduce thirst and support those managing blood sugar
In short: Green Olive, Carrot, Sweet Corn and Frog Leg Soup is a soup that Traditionally used to nourish yin, clear heat, reduce thirst and support those managing blood sugar. It is most often made for cooling & summer heat, blood sugar balance, blood nourishment. Total time about 105 min. Key ingredients: green olives, carrot, sweet corn, ginger.
Why people make this soup
One of the most difficult aspects of type 2 diabetes is the persistent cycle of thirst: because blood glucose draws water out of cells through osmosis, the kidneys work overtime, urine volume increases, and the body loses fluid faster than usual — creating a constant feeling of dryness and thirst. In Cantonese food therapy, the approach here is to nourish yin and clear heat — essentially supporting the body’s moisture and cooling systems. Sour and astringent fruits such as green olives, Chinese olive (you gan zi) and guava have long been included in diabetes-related food regimens for their traditionally observed association with better glucose management. Green olives (qing lan) in particular appear frequently in these recommendations. This soup combines them with the natural sweetness of carrot and corn and the gentle protein of frog leg (a lean, cooling meat well liked in Cantonese cooking) for a soup that is pleasant to drink and broadly suitable for the whole family.
Method
- Rinse and lightly crush or score the green olives to help release their flavour.
- Peel and chop the carrot into chunks. Remove husks and cut the corn into sections.
- Clean the frog legs thoroughly and blanch briefly in boiling water; drain and discard the blanching water.
- Place all ingredients into a pot with 2.4 L of water. Bring to a boil.
- Reduce heat and simmer gently for 1.5 hours until you have approximately 1.2 L of soup.
- Serve warm. Eating the ingredients as well as drinking the soup is recommended.
Nourilo’s Tips
This soup is naturally sweet and pleasant — a good choice for anyone who finds dedicated “herbal” soups too medicinal in flavour. Nourilo notes it is quite a balanced soup: in addition to its blood-sugar-supportive qualities, it helps clear the throat, benefits the voice and is supportive for both cardiac and kidney-related fluid retention. Those who prefer a vegetarian version can substitute the frog leg with half a fresh Chinese yam — yam itself is well regarded in traditional food therapy for those managing blood sugar.
What studies say about the key ingredients
Traditional use is not the same as clinical proof. Here is the strongest human research we found for each ingredient, limitations included.
- Ginger
Overall, acute and delayed nausea and vomiting did not differ significantly between ginger and control groups. A subgroup taking 1 g/day or less for over four days had less acute vomiting (OR 0.30).Limitation: Clinical heterogeneity between trials required subgroup analyses, and the authors state that sufficiently large, high-quality RCTs are still needed.PubMed 36501010 · 3 more ginger studies
From the Nourilo Research Library. Findings come from specific doses, extracts and populations and may not apply to a home-cooked recipe.
Safety first — read before you cook
This is a traditional food, not a treatment. Please check with your doctor or pharmacist before making it a regular part of your diet if you:
- are pregnant or breastfeeding, or are cooking for a young child;
- take regular medicines — especially blood thinners, blood-pressure, diabetes or immune-suppressing drugs;
- have a kidney, liver or heart condition, or a known food allergy.
Stop eating it and seek advice if you notice an allergic reaction or feel unwell. Safety notes reviewed 8 October 2026 · How we write safety notes
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