Here's a simple recipe for making Haldi pickles:

Ingredients:

• 250 grams fresh turmeric roots, washed, peeled, and chopped into small pieces
• 3-4 green chilies, slit lengthwise
• 1 tablespoon mustard seeds
• 1 teaspoon fenugreek seeds
• 1 teaspoon fennel seeds
• 1 teaspoon nigella seeds (kalonji)
• 1 teaspoon asafoetida (hing)
• 1 teaspoon red chili powder
• 1 teaspoon turmeric powder
• 1 teaspoon salt (adjust to taste)
• 1/4 cup mustard oil (you can use any other oil if you prefer)
• Juice of 2-3 lemons

Instructions:

1. Wash, peel, and chop the fresh turmeric roots into small pieces. You might want to wear gloves while handling turmeric to avoid staining your hands.
2. Heat mustard oil in a pan until it starts to smoke. Turn off the heat and let it cool down slightly.
3. In a separate pan, dry roast mustard seeds, fenugreek seeds, fennel seeds, and nigella seeds until fragrant. Grind the roasted spices into a coarse powder.
4. In a mixing bowl, combine the chopped turmeric, slit green chilies, spice powder mixture, red chili powder, turmeric powder, asafoetida, and salt. Mix well to coat the turmeric pieces with the spices.
5. Pour in the slightly cooled mustard oil and lemon juice. Mix everything thoroughly.
6. Transfer the mixture into a clean, dry glass jar. Ensure that the pickle is fully submerged in oil and there are no air pockets.
7. Close the jar with a tight-fitting lid and let it sit in a cool, dry place for at least a week before using. The flavors will meld and develop over time.
8. Shake the jar gently every day to redistribute the spices and oil.

Health Benefits and Nutritional Information:

Turmeric, the main ingredient in Haldi pickles, contains a compound called curcumin, which is known for its potential health benefits:

1. Anti-Inflammatory Properties: Curcumin is a powerful anti-inflammatory compound, and consuming it may help reduce chronic inflammation in the body.
2. Antioxidant Activity: Curcumin acts as an antioxidant and helps protect cells from oxidative stress and damage caused by free radicals.
3. Digestive Health: Turmeric is believed to support digestive health by promoting bile production and aiding in digestion.
4. Immune System Support: The compounds in turmeric may help enhance the immune system's response to infections and illnesses.
5. Anti-Cancer Potential: Some studies suggest that curcumin may have anti-cancer properties and could potentially inhibit the growth of certain types of cancer cells.
6. Joint Health: Curcumin's anti-inflammatory properties might benefit people with arthritis or joint pain.

In terms of nutritional information, turmeric is low in calories and carbohydrates but rich in vitamins and minerals, including vitamin C, vitamin B6, potassium, and manganese.

Remember that while turmeric and its compounds offer potential health benefits, it's important to consume it as part of a balanced diet and not solely rely on it for health improvements. If you have any specific health concerns or conditions, it's advisable to consult with a healthcare professional before making significant changes to your diet.