Kundru (Ivy Gourd): Can You Eat Red Tindora? How to Pick It

You slice a kundru and it’s red inside. Can we eat red kundru? Yes. Red kundru (tindora, ivy gourd) is simply ripe: sweeter, softer and seedier, and safe to eat, though it won’t give you the crisp sabzi you wanted. This guide shows how to pick small, firm, dark green kundru that stays green inside, how to cut and fry it without slime, how to store it, and what’s fair to say about kundru and diabetes.

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What if kundru is red from inside?

It has ripened. Kundru is a fruit that we eat unripe, just like we eat raw mango in a chutney, and if it stays on the vine a few days too long it turns from green to orange to bright scarlet, starting from the inside, while the flesh goes soft and slightly sweet and the seeds grow larger. Birds love the red ones. That’s the plant’s plan: red fruit gets eaten and the seeds get spread.

So, can we eat red kundru? Yes. It isn’t toxic. The trouble is only taste and texture: red slices go mushy in a dry sabzi and bring a sweetness that clashes with a spicy masala. What to do with them:

• A few red ones in a batch: cook them in. Nobody will notice in a gravy.
• Mostly red: use them in a sambar, dal or mixed curry where softness doesn’t matter, or pick them out.
• Red and bitter, slimy-smelling or mouldy: that’s spoilage, not ripening. Bin them.

How to pick good tindora (the stall checklist)

1. Size. Small wins. Roughly 3 to 5 cm long, about the size of your thumb.
2. Colour. Deep, even green with clear pale stripes running lengthwise. Any yellow or orange blush on the outside means it’s already reddening within.
3. Squeeze. It should be hard and crisp, like a fresh cucumber in miniature, because a kundru that gives under your fingers has usually started ripening or has been sitting in the sun for a couple of days losing water.
4. Snap test. Some sellers let you break one. A fresh kundru snaps cleanly and shows pale green or white flesh with tiny soft seeds.
5. Skin. Smooth and tight. Wrinkles mean it’s old.
6. Stem end. Green and fresh, not black or shrivelled.

A handy trick: buy from the top of a fresh heap, early in the day. Kundru at the bottom of a heap has been warming up under the rest, and warmth is what pushes it towards red.

How to cut kundru, and fry it without sliming

Kundru carries some natural mucilage, the same kind of gel that makes bhindi sticky. It’s harmless. It only becomes a problem when water, steam and a crowded pan all meet, so the fix is the same one you’d use for okra (see our bhindi without slime guide).

1. Wash the whole kundru under running water. Dry it completely on a cloth, ideally 15 to 20 minutes before cutting.
2. Trim about 3 mm from both ends.
3. Cut it one of three ways: lengthwise into 4 or 6 thin wedges for a crisp fry, into thin rounds of about 3 mm for a quick stir-fry, or in half lengthwise for a curry.
4. Use a wide pan so the pieces sit in one layer. For 500 g, that’s a big kadhai or two batches.
5. Cook on medium-high heat, uncovered, in 1½ to 2 tbsp oil. Stir only every couple of minutes.
6. Add salt at the end. Salt draws water out early and turns a fry into a stew.
7. It’s done in 15 to 20 minutes. Look for brown edges.

“How to know if tindora is cooked?” Press a piece against the pan with your spatula. Cooked kundru gives. Raw kundru squeaks.

How to store kundru (tindora) in the fridge or freezer

• Whole: unwashed, wrapped loosely in newspaper or a paper bag, in the vegetable drawer. It keeps 4 to 6 days. Plastic makes it sweat and soften.
• Out of the fridge: 1 to 2 days in summer, because warmth is exactly what pushes a green kundru towards red, and a hot kitchen can turn a whole bag orange-hearted before the weekend.
• Cut tindora: dry, in a lidded box lined with a paper towel, for 1 day. It goes brown and slick after that.
• Can you freeze tindora? Yes, for curries. Slice it, blanch in boiling water for 2 minutes, cool quickly, dry well and freeze flat on a tray before bagging. Frozen kundru won’t fry crisp again, so keep it for gravies.

Buying ahead for a week? Cook the softer ones first. The fridge zones and paper method explains why paper beats plastic for most gourds.

Kundru recipes worth making

Kundru fry (serves 3)

Cut 500 g dry kundru into thin wedges. Heat 2 tbsp oil, add ½ tsp rai and ½ tsp zeera, then the kundru, and spread it out. Cook uncovered on medium-high for 15 minutes, stirring every few minutes, then add ½ tsp haldi, 1 tsp red chilli, 1 tsp dhania powder, ½ tsp amchur and salt, and cook 3 to 4 minutes more until the spices smell toasted.

Aloo kundru (serves 4)

Fry 1 sliced onion in 1½ tbsp oil until golden, add 400 g kundru in rounds and 2 small potatoes in thin fingers, then haldi, chilli and salt. Cook uncovered, turning now and then, for 20 minutes. Finish with chopped hara dhania.

Tendli with coconut (Konkan style, serves 3)

Halve 400 g tendli lengthwise, temper 1 tbsp oil with rai, a few curry leaves and 1 green chilli, add the tendli with a splash of water and salt, cover for 8 minutes, then uncover, add 3 tbsp grated coconut and dry it out for 3 minutes.

Is kundru good for diabetes? Keeping claims fair

Here’s the honest version. Kundru is a low-carbohydrate, high-water vegetable, so a katori of it barely moves blood sugar and it earns its place on a diabetic plate. That’s the solid part. Ivy gourd, mostly its leaves, has also had a long traditional use for high sugar and has been tested in a handful of small, short studies, which is where the “kundru controls diabetes” videos come from, and it’s a long jump from a leaf preparation in a trial to a plate of aloo kundru. Kundru is a good vegetable. It’s not a medicine. Keep your tablets, check your numbers, and know your targets (our sugar level chart has them).

• Weight loss? Low in calories and filling, so yes as a swap. The oil in a fry adds up fast, though.
• Constipation? It adds fibre and water to a meal, which helps a little, alongside enough water and other vegetables.
• Kidney patients and uric acid? Kundru is moderate in potassium and isn’t a high-purine food; anyone on a kidney diet should still check portions with their dietitian.
• Pregnancy? Cooked kundru is ordinary, safe food.

Kundru side effects, and the “brain” myth

Myth: eating kundru makes you forgetful or dull

Many families in North India say it. Children are told not to eat kundru before exams, and some elders believe it weakens memory. There’s nothing behind this. Kundru holds no substance known to harm the brain, it’s eaten daily and in large amounts across Gujarat, Maharashtra, Goa and South India without anyone there worrying about their memory, and the belief most likely grew out of kundru’s old reputation as a “cold”, dull-tasting vegetable. Eat it without worry.

The real side effects

For most people there are none as a cooked vegetable. A very large helping of the fibrous, seedy red ones can cause wind or loose stools in some people, and a rare bitter batch is the one genuine hazard, which is why the bin rule exists.

Did you know? Ivy gourd grows so vigorously that it’s listed as an invasive weed in Hawaii and parts of Australia, where it smothers trees.

Did you know? In Thailand the young shoots and leaves are eaten as a green, stirred into soups. More produce guides live in Fruits and Vegetables.

Kundru and tindora questions answered