Udon Chicken Curry: A Cozy Japanese-Style Noodle Bowl

Udon chicken curry is a Japanese-style noodle bowl of chewy udon, tender chicken, vegetables, and a savory curry broth. Japanese curry roux gives the broth a rounded, gently spiced flavor and helps it cling to the noodles, making this a satisfying one-pot-style dinner with the noodles cooked separately.

Ingredients

1 lb (450 g) boneless, skinless chicken thighs, cut into bite-size pieces
4 packs udon noodles, about 7 oz (200 g) each, frozen or vacuum-packed
1 medium yellow onion, about 7 oz (200 g), thinly sliced
1 medium carrot, about 4 oz (115 g), peeled and cut into thin half-moons
2 garlic cloves (about 6 g), finely minced
1 tbsp (6 g) finely grated fresh ginger
1 tbsp (15 ml) neutral cooking oil, such as canola oil
5 cups (1.2 L) chicken stock, preferably lower-sodium
2 oz (56 g) Japanese curry roux, about 2 to 3 cubes depending on the brand
1 tbsp (15 ml) soy sauce
1 tbsp (15 ml) mirin
1 tsp (4 g) sugar, optional, to round out the broth
8 cups (1.9 L) water, for cooking the udon
3 scallions (about 30 g), thinly sliced, for serving
⅛ tsp (about 0.3 g) red pepper flakes, optional

Instructions

Prepare the ingredients. Slice the onion, cut the carrot into thin half-moons, mince the garlic, grate the ginger, and cut the chicken into pieces about 1 inch (2.5 cm) wide. Thin, evenly sized pieces cook quickly and are easier to check with a thermometer. Set out the curry roux, stock, soy sauce, and mirin before you start cooking, since the roux is easiest to stir in when everything is ready.
Soften the onion. Heat the oil in a large saucepan or Dutch oven over medium heat. Add the onion and cook for 5 minutes, stirring occasionally, until it softens and begins to look translucent. Let it soften rather than brown deeply; this gives the broth a mild sweetness without adding a toasted flavor that can compete with the curry.
Brown the chicken. Add the chicken in a single layer as much as the pan allows. Cook for about 5 minutes, turning the pieces once or twice so the outsides lose their raw appearance. They do not need to be cooked through at this stage. If your pan is crowded, work in two batches or use a wider pot so the chicken sears rather than steams.
Add the aromatics and roux. Stir in the garlic and ginger and cook for 30 seconds, just until fragrant. Pour in about ½ cup (120 ml) of the stock and stir to loosen any browned bits on the bottom. Turn the heat to low, add the curry roux, and stir for about 1 minute until it dissolves. Breaking the roux into smaller pieces first helps it melt evenly and prevents lumps.
Simmer the vegetables. Add the remaining stock, carrot, soy sauce, mirin, and optional sugar. Bring the liquid to a gentle simmer, stirring so the roux is distributed through the broth. Cook uncovered for 8 minutes, or until the carrot is nearly tender. Avoid a hard boil: a steady simmer keeps the broth from reducing too quickly and gives the vegetables time to soften.
Finish cooking the chicken. Return to a gentle simmer and cook for 6 minutes, stirring once or twice. Check the thickest chicken pieces with a food thermometer; the USDA FSIS safe minimum internal temperature for poultry is 165°F (74°C). If a piece has not reached that temperature, simmer for another minute or two and check again. Once the chicken is safe to eat, taste the broth. Add a little water if it is too thick, or simmer briefly if you prefer it thicker.
Cook the udon while the curry finishes. Bring the 8 cups (1.9 L) water to a boil in a separate pot. Cook the udon according to its package directions, usually just until loosened and hot; frozen and vacuum-packed noodles can have different timings. Drain well. If the noodles finish before the curry, keep them drained rather than leaving them in the cooking water.
Assemble and serve. Divide the hot udon among four bowls and ladle the chicken curry broth, chicken, and vegetables over the top. Finish with sliced scallions and, if you like more heat, a pinch of red pepper flakes. Serve promptly so the noodles stay springy and the broth remains hot.

Tips

Choose a roux strength you enjoy. Japanese curry roux is sold in mild, medium-hot, and hot varieties. The seasoning and salt level vary by brand, so start with the amount listed and taste before adding extra soy sauce or salt. If you use the full 2 oz (56 g) and find the broth too thick, loosen it with stock or water a little at a time.
Keep the udon out of the curry pot until serving. Simmering the noodles in the sauce can make them overly soft and lets them absorb much of the broth. Cooking them separately also makes it easier to save leftover curry and noodles without one taking over the texture of the other.
Use chicken thighs for a forgiving result. Thigh meat stays tender during simmering and works especially well in a curry broth. Chicken breast is also an option; cut it evenly and check it carefully so it reaches 165°F (74°C) without prolonged cooking.
Adjust flavor in small steps. Curry roux and stock can both be salty. Taste the finished broth before adding salt, and balance a very salty or intense broth with a splash of water or unsalted stock. For more savory depth, add a little extra soy sauce; for more heat, use chili flakes at the table.

Serving Suggestions

Serve the bowls as a complete meal, with a spoon for the curry broth and chopsticks or a fork for the noodles. A small side of steamed rice is useful if you want something to catch the last of the sauce, though the udon makes the dish filling on its own. For a fresh contrast, add a simple cucumber salad, lightly dressed shredded cabbage, or quick-pickled vegetables. Keep those sides crisp and lightly seasoned so they do not compete with the rich curry.

Set out extra sliced scallions, chili flakes, and a small dish of pickled ginger if available. A soft-boiled egg can be added as a topping, but cook it separately and handle it safely; the curry itself does not need an egg to feel complete. If serving children or guests who prefer mild food, leave the pepper flakes off the main pot and let each person season their bowl.

Variations

Make it with dashi. For a more distinctly Japanese-style broth, replace some or all of the chicken stock with dashi. Instant dashi granules are a convenient option; follow the package directions for making 5 cups (1.2 L). Dashi gives the curry a savory, seaweed-and-fish depth, while chicken stock makes the result rounder and more familiar. Check the salt level before adding soy sauce, especially if the dashi is seasoned.

Use pork or tofu. Thinly sliced pork shoulder can replace the chicken in the same quantity; simmer until cooked through and check any uncertain pieces with a thermometer. For a vegetarian bowl, omit the chicken, use vegetable stock and a vegetarian curry roux, and add firm tofu or mushrooms. Some curry roux contains meat-derived ingredients, so read the label if you need the dish to be vegetarian.

Add more vegetables. Sliced mushrooms, cubed potato, or a handful of spinach can fit easily into the broth. Add potato with the carrot because it needs time to soften; add mushrooms during the vegetable simmer, and stir in spinach for the last minute so it wilts without becoming dull. Keep the total amount moderate, or add a little extra stock so the curry stays spoonable.

Make it spicier or lighter. Add chili flakes to individual bowls for adjustable heat. For a lighter broth, use less roux and simmer until the vegetables are tender, then taste and add more roux only if you want additional body and seasoning. Japanese curry roux provides both spice and thickening, so reducing it makes a thinner, less richly seasoned sauce.

Storage and Reheating

For the best texture, store the curry broth and udon separately. Transfer leftovers to shallow containers and refrigerate within 2 hours of cooking. The chicken curry broth keeps for 3 to 4 days in the refrigerator; cooked udon is best within about 2 days because it gradually softens and may stick together. If the noodles are already mixed into the curry, refrigerate the combined dish promptly and use it within 3 to 4 days, knowing that the noodles will continue to absorb broth.

Reheat only the amount you plan to eat. Warm the curry in a covered saucepan over medium-low heat, stirring occasionally and adding a splash of water or stock if it has thickened. Heat leftovers to 165°F (74°C), checked with a food thermometer. Reheat noodles separately in hot water for about 30 to 60 seconds, or microwave them with a spoonful of water until steaming; then drain and top with the hot curry. Avoid repeatedly cooling and reheating the same batch.

For longer storage, freeze the curry broth and chicken without the noodles in a freezer-safe container for up to 2 months for best quality. Thaw it in the refrigerator, then reheat to 165°F (74°C). Cook fresh udon when serving if possible, since frozen cooked noodles can become soft or lose their springy texture.

Frequently Asked Questions

Can I use frozen udon noodles?
Yes. Frozen udon works very well and often has a pleasantly chewy texture. Cook it according to the package directions, usually by briefly boiling it until the strands separate and become hot. There is no need to thaw it first unless the package specifically says to do so.

Can I use curry powder instead of Japanese curry roux?
Yes, but curry powder alone will not thicken or season the broth in quite the same way. For a quick substitute for 2 oz (56 g) roux, melt 2 tbsp (28 g) butter in a small pan, stir in 2 tbsp (16 g) flour and 1 tbsp (6 g) curry powder, and cook for about 1 minute before whisking it into the simmering stock. Taste and adjust the soy sauce and salt; the flavor will be less rounded and may be more spice-forward than with Japanese roux.

How do I keep the broth from getting too thick?
Roux thickens the broth as it heats, and it may thicken further as it stands. Start with the listed amount, keep the pot at a gentle simmer, and stir regularly after the roux goes in. If the finished curry is thicker than you want, stir in warm water or stock a few tablespoons at a time until it pours easily from a ladle.

Can I make the curry ahead?
Yes. The chicken curry broth can be prepared up to 3 days ahead and refrigerated, then reheated to 165°F (74°C). Cook the udon shortly before serving for the best bite. If the broth has thickened in the refrigerator, add a little water or stock as it warms and taste again before serving.

Is this dish very spicy?
That depends on the curry roux you choose. Mild roux is usually gently spiced rather than hot, while hot varieties have more chili heat. Start with a mild or medium roux if you are unsure, then offer chili flakes at the table so each person can adjust their bowl.

More recipes to cook

Safety notes: safe minimum internal temperatures from USDA FSIS; raw and undercooked fish guidance from the U.S. FDA. Food safety notes

Spotted an error? Tell us and we will correct it (corrections policy).