Tahchin

Tahchin

In Persian: ته چین, literally “what is arranged at the bottom.” In Hebrew it is written “תהצ’ין” and also appears as “טהצ’ין” or “תחצ’ין”. The name describes the method: the yellow mixture — rice, yogurt, egg yolks and saffron — is layered at the bottom of the pan, baked until it forms a firm crust, and then the pan is flipped like a cake.

Tahchin is what happens when tahdig, the coveted rice crust that forms at the bottom of a Persian rice pot, goes from an extra to a dish in its own right. Instead of one piece of crust everyone fights over, you get a dish that is all crust. On the outside it is golden-orange and crispy, on the inside soft and moist, with a layer of shredded chicken or tart barberries inside.

Prep time: 40 minutes · Baking time: 75-90 minutes · Total: about two hours · Yield: 8 servings · Difficulty: medium

Saffron: the world’s most expensive spice, and why a tiny amount is enough

Tahchin is one of the dishes in which saffron is not just color but the main flavor, which makes it a good opportunity to explain how to use it properly. Saffron is the dried stigmas of the saffron crocus flower (Crocus sativus), which blooms in autumn, and hand-picking one kilogram requires about 150,000 flowers — hence the price. Iran today produces most of the world’s saffron.

The common mistake is to add saffron threads directly to the pot. Its active compounds — crocin (the color), picrocrocin (the bitterness) and safranal (the aroma) — are water-soluble, so the right way is to grind the threads to a powder with a grain of sugar or salt, dissolve in about 3 tablespoons of hot (not boiling) water, and let it stand for 20 minutes until the liquid is a deep red-orange. That way a quarter teaspoon is enough for a dish for eight diners. Compare this with turmeric, which also colors intensely but is hundreds of times cheaper — which is why in Iran it is used for everyday coloring, while saffron is saved for dishes for guests.

Ingredients (for 8 servings)

• 3 cups basmati rice
• 400 grams thick yogurt (5% or more)
• 3 egg yolks
• 1/4 teaspoon ground saffron, dissolved in 3 tablespoons hot water
• 5 tablespoons oil or melted butter
• 600 grams chicken breast or boneless thigh
• 1 large onion, 1/2 teaspoon turmeric, salt and pepper
• 3 tablespoons zereshk (barberries) — optional; chopped dried cranberries work for a sweeter taste
• 3 tablespoons salt for the cooking water

Choosing ingredients and substitutes

Thick plain yogurt and supermarket basmati work. Zereshk (barberries) is sold in spice shops; you can leave it out or replace it with three tablespoons of chopped dried cranberries, for a sweeter taste. Saffron determines the aroma and color: you can bake without it, but it will be a white, milder version. There is no need to add turmeric to the yogurt mixture as a substitute.

Method

1. Soak and partly cook the rice. Rinse and soak the rice for an hour in salted water, cook in boiling water for only 5-6 minutes — the grain should break under pressure but stay hard in the center — and drain well.
2. Cook the chicken. Cook the chicken with the onion, turmeric, salt and pepper for about 25 minutes, cool and shred into strips. Reserve a little broth.
3. Make the tahchin mixture. Whisk the yogurt, yolks, saffron water, salt and 2 tablespoons of oil. Add about a third of the drained rice and mix gently until every grain is yellow.
4. Assemble. Grease a pan (or a heavy pot) well, line it with the yellow mixture in an even layer and press lightly. Scatter the chicken and barberries on top, and cover with the rest of the white rice. Drizzle with the remaining oil and 3 tablespoons of broth.
5. Seal and bake. Cover tightly with aluminum foil and bake at 180°C (350°F) for 75-90 minutes. Sealing is important — the steam is what cooks the upper rice.
6. Flip. Take it out, let it rest for 10 minutes, run a knife along the sides and flip onto a tray. The crust should come out whole and golden-orange.
7. Cut with a serrated knife into slices like a cake.

Nutrition facts and calorie estimate

The recommended serving is a slice of about 200 grams, one eighth of the pan.

Tahchin is an example of a rice dish that becomes a complete meal: the yogurt, yolks and chicken add about 34 grams of protein, compared with only about 4 grams in a regular serving of white rice. This also changes the glycemic response — protein and fat alongside starch slow its absorption.

The weak side remains the dish’s empty starch — the white rice itself, and the amount of oil needed to create the crust. You can drop a tablespoon of oil, but no more: the crispy crust is the whole idea.

Variations and tips

• Vegetarian version: replace the chicken with roasted eggplant or spinach sautéed with garlic — both are traditional versions.
• Lighter version: 3% yogurt and 2 yolks instead of 3, and 4 tablespoons of oil instead of 5. A saving of about 55 calories per slice.
• Sticking crust: a well-greased pan and 10 minutes of cooling before flipping almost always solve this. A silicone or nonstick pan makes it much easier.
• Leftovers: tahchin is cooked rice, and as such requires quick cooling and refrigerated storage. See the danger in reheated rice.

Summary

Tahchin turns the part of the rice everyone fights over into a whole dish: a golden crust of yogurt, yolks and saffron, with chicken inside. About 550 calories per slice with 34 grams of protein — a rice dish that works as a meal. Another rice-based Persian dish is chelo kabab koobideh, and the dessert that closes a meal like this is sholeh zard. More recipes in Persian cuisine.