Bring 300 ml of water to a boil and add 150 grams of rice. Let it simmer for 10 minutes until the rice is cooked. Then remove it from the heat.
Boil the eggs hard in an egg cooker or a pot of water.
Peel and finely chop the garlic, shallots, and ginger.
Clean the leek and cut it in half lengthwise. Then cut the leek into thin half rings.
Heat oil in a large pan. Add the turmeric, garlic, ginger, shallots, mustard, cumin seeds, and curry and fry briefly.
After a minute, add the leek and frozen peas. Let it cook for about five minutes.
Finally, add the rice and lemon juice. Mix everything well.
Remove the skin from the smoked mackerel and cut it into pieces of about two centimeters.
Serve the yellow rice with the leek and peas in deep plates. Garnish with the smoked mackerel and the hard-boiled eggs.