Stir-Fried Yu Choy with Oyster Sauce Recipe

No Chinese meal feels complete without a plate of Chinese greens. This is my favorite Yu Choy recipe—simple, fast, and packed with umami. I make it regularly because yu choy is almost always available at my local Asian grocery. The sauce blends oyster sauce and dark soy for a deep, savory flavor and an attractive dark glaze.

🥬 About This Recipe

Yu choy (also known as choy sum) is a tender Chinese leafy green commonly used alongside bok choy and gai lan in everyday Chinese cooking. Its mild flavor and tender stems make it ideal for quick blanching and a fast toss in a hot wok. This recipe highlights the vegetable’s natural sweetness while adding a savory sauce that clings to the leaves and stems.

The preparation is intentionally straightforward: a brief blanch to preserve color and texture, followed by a quick stir-fry with garlic and a glossy oyster-soy sauce finish. The sauce is intentionally modest in ingredients so the vegetable remains the star—oyster sauce lends depth, dark soy adds color and a touch of smokiness, and a pinch of sugar balances the flavors.

🌟 Tips For Making At Home

Three practical tips to get consistently great results:

• Soak the yu choy for 30 minutes before cooking. This rehydrates any wilted leaves and removes grit, especially if you’ve bought the bunch from a busy market.
• Blanch briefly, then shock in ice water. Parboiling for 30–45 seconds and plunging into cold water stops the cooking quickly so the stems stay crisp and the leaves retain a bright green color.
• Use a very hot wok and cook quickly. High heat produces a touch of wok hei (smoky flavor) and evaporates excess moisture so you’re stir-frying rather than steaming.

🧂 Ingredients

• Yu choy: 1 pound. Choose bunches with bright green leaves and firm, translucent stems—avoid browning at the base.
• Garlic: 2 cloves, minced (or thinly sliced if you prefer a milder aroma).
• Sauce: 2 tablespoons oyster sauce; 1 teaspoon dark soy sauce; 1 teaspoon sugar; 1/8 teaspoon salt; 1/8 teaspoon white pepper.
• Blanching: 8 cups water and 2 teaspoons coarse salt for the blanch.
• Stir-fry: 2 tablespoons neutral oil and 1 teaspoon toasted sesame oil to finish.

🔪 Instructions

STEP 1: Mix the sauce ingredients in a small bowl: oyster sauce, dark soy sauce, sugar, salt, and white pepper. Stir until the sugar dissolves and set aside.

STEP 2: Bring 8 cups of water and 2 teaspoons of salt to a rolling boil in a medium pot. Add the yu choy and blanch for 30–45 seconds—just long enough to soften the stems while keeping crunch. Immediately transfer the greens to a bowl of cold water to stop the cooking. Drain well and place on a plate.

STEP 3: Heat a wok or large skillet over high heat until it is very hot and just smoking. Add the neutral oil and swirl to coat. Add the minced garlic and stir 8–10 seconds until fragrant—don’t let it burn. Toss in the blanched yu choy and stir-fry for about 1 minute to reheat and combine textures.

STEP 4: Reduce the heat to medium. Pour the sauce around the edge of the vegetables so it sizzles on contact. Once it starts to bubble, stir to coat everything evenly. Finish with a drizzle of toasted sesame oil, transfer to a serving plate, and serve immediately.

🍽 Serving Suggestions

This yu choy makes a bright, flavorful side for any Chinese or Asian-inspired meal. Serve it with steamed white rice and a protein like roasted duck, spare ribs, salt-and-pepper squid, or a simple soy-garlic grilled fish. Because it cooks quickly, it’s also a great last-minute vegetable to prepare while other dishes finish.

Leftovers: Refrigerate in an airtight container for up to 2 days. Reheat briefly in a hot skillet—avoid overcooking to preserve texture. For a quick variation, add a splash of chicken stock or a few drops of oyster sauce while reheating.

📋 Recipe