Cut the veggies in a similar dice - thicker matchsticks/ slim french fries is my preferred shape.
Heat a glug of oil in a large bottomed pan on medium high heat.
Add the seeds and when they start to splutter then add the carrots and half the salt, mix well. Cover and cook on low heat for 10-12 minutes until the carrots are tender crisp.
Now add the potatoes and the remaining salt and cook for another 8-10 minutes till the potatoes are almost done.
Add the slit green chillies, mix well, and cook, covered, for five minutes. Adjust seasoning if needed.
Notes
If the veggies start to stick then add a little more oil. Also please note that this delicious celebrates the natural flavours of the veggies, the green chillies may seem like a lot, but they are a must!