Thai cuisine celebrates fresh vegetables and bold flavors, and Stir-Fried Bok Choy (Pad Pak Kwang Tung) is one of the simplest yet most delicious examples. This classic Thai vegetable stir-fry combines crisp bok choy, fragrant garlic, and a savory sauce to create a healthy dish that is quick to prepare and full of authentic Thai flavor.

Popular in Thai homes, street food stalls, and restaurants, Stir-Fried Bok Choy is often served alongside rice and other Thai dishes, making it a versatile addition to any meal.

What Is Thai Stir-Fried Bok Choy?

Pad Pak Kwang Tung is a traditional Thai stir-fry made with fresh bok choy, garlic, and a light sauce of soy sauce and oyster sauce. The bok choy is cooked quickly over high heat to preserve its crisp texture and vibrant green color.

The result is a refreshing vegetable dish with a perfect balance of savory, slightly sweet, and umami-rich flavors.

Ingredients

For the Stir-Fry

  • 500 g bok choy, washed and cut into large pieces
  • 2 tablespoons vegetable oil
  • 4 cloves garlic, minced
  • 1 small onion, sliced
  • 2 green onions, chopped

For the Sauce

  • 2 tablespoons light soy sauce
  • 1 tablespoon oyster sauce
  • 1 teaspoon dark soy sauce
  • 1 teaspoon sugar
  • 2 tablespoons water

Optional Additions

  • 200 g tofu, chicken, shrimp, or beef
  • 2 Thai bird's eye chilies, sliced
  • 1 teaspoon chili paste

Garnish

  • Fresh cilantro
  • Sesame seeds
  • Lime wedges

Equipment Needed

  • Wok or large skillet
  • Knife and cutting board
  • Mixing bowl
  • Wooden spatula

Preparation Time

  • Prep Time: 10 minutes
  • Cooking Time: 8 minutes
  • Total Time: 18 minutes
  • Servings: 4

Step-by-Step Instructions

Step 1: Prepare the Bok Choy

Separate the leaves and stalks if using large bok choy.

Wash thoroughly to remove any dirt hidden between the leaves.

Drain well and cut into bite-sized pieces.

Step 2: Prepare the Sauce

In a small bowl, combine:

  • Light soy sauce
  • Oyster sauce
  • Dark soy sauce
  • Sugar
  • Water

Stir until fully mixed.

Set aside.

Step 3: Heat the Wok

Heat vegetable oil over medium-high heat.

Add minced garlic and stir-fry for about 30 seconds until fragrant.

If using Thai chilies, add them now.

Step 4: Stir-Fry the Vegetables

Add sliced onions and cook for 1 minute.

Add the bok choy stalks first since they take longer to cook.

Stir-fry for 2 minutes.

Next, add the leafy portions of the bok choy.

Continue stir-frying for another 1–2 minutes.

Step 5: Add the Sauce

Pour the prepared sauce into the wok.

Toss the bok choy continuously to coat evenly.

Cook for 1–2 minutes until the vegetables are tender-crisp and glossy.

Step 6: Finish and Serve

Add chopped green onions and stir briefly.

Transfer to a serving dish.

Garnish with cilantro, sesame seeds, and lime wedges.

Serve immediately while hot.

Chef's Tips for Perfect Stir-Fried Bok Choy

Cook Quickly

Bok choy cooks very fast. Overcooking can make it soft and watery.

Separate Stalks and Leaves

The stalks require slightly more cooking time than the leaves.

Use High Heat

A hot wok helps preserve texture and creates the characteristic flavor of Thai stir-fries.

Avoid Excess Water

Dry the bok choy thoroughly after washing to prevent steaming.

Popular Variations

Garlic Bok Choy

Increase the garlic to 6–8 cloves for a stronger flavor.

Spicy Bok Choy Stir-Fry

Add fresh Thai chilies or chili paste for extra heat.

Bok Choy with Tofu

Add crispy tofu cubes for a hearty vegetarian meal.

Bok Choy and Mushrooms

Combine bok choy with shiitake or oyster mushrooms for added texture and umami.

Seafood Bok Choy Stir-Fry

Add shrimp or scallops for a restaurant-style Thai seafood dish.

Nutritional Benefits

Bok choy is a nutrient-rich leafy vegetable that provides:

  • Vitamin A
  • Vitamin C
  • Vitamin K
  • Calcium
  • Potassium
  • Antioxidants
  • Dietary fiber

This dish is:

  • Low in calories
  • High in vitamins and minerals
  • Vegetarian-friendly
  • Suitable for healthy eating plans

What to Serve with Stir-Fried Bok Choy

This Thai vegetable dish pairs perfectly with:

  • Steamed Jasmine Rice
  • Brown Rice
  • Coconut Rice
  • Thai Fried Rice
  • Vegetable Spring Rolls
  • Tom Yum Soup
  • Thai Curry Dishes

Storage and Reheating

Refrigeration

Store leftovers in an airtight container for up to 2 days.

Reheating

Reheat quickly in a skillet over medium heat.

Avoid prolonged reheating to preserve texture.

Freezing

Not recommended, as bok choy can become soft and watery after thawing.

Frequently Asked Questions

Can I use baby bok choy?

Yes. Baby bok choy is tender and cooks even faster than mature bok choy.

Is this dish vegetarian?

Yes. Replace oyster sauce with vegetarian mushroom sauce for a vegetarian or vegan version.

Can I add protein?

Absolutely. Tofu, chicken, shrimp, pork, or beef are excellent additions.

Why is my bok choy watery?

Excess moisture from washing or overcooking can release water. Dry the bok choy well and cook quickly over high heat.

Final Thoughts

Thai Stir-Fried Bok Choy (Pad Pak Kwang Tung) is a simple, healthy, and flavorful dish that highlights the natural freshness of leafy greens. With crisp stalks, tender leaves, fragrant garlic, and a savory Thai sauce, this quick stir-fry is perfect as a side dish or a light meal. Easy to prepare and packed with nutrients, it is a wonderful way to enjoy authentic Thai vegetable cooking at home.