Rau Muống Xào Tỏi (Garlic Water Spinach)

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Garlic water spinach is a quick Vietnamese vegetable side made with crisp-tender water spinach, plenty of garlic, and a light savory sauce. It cooks in under 15 minutes and is one of the easiest ways to add a green vegetable to a rice, noodle, or grilled meat dinner.

Plate of water spinach stir fried with garlic slices and topped with fried garlic.

I grew up eating water spinach often, usually with rice and whatever main dish we were having that night. I still make it the same way when I want a simple vegetable on the side.

Water spinach has hollow stems that stay slightly crisp after cooking and tender leaves that wilt quickly. A short blanch helps the stems cook evenly and keeps the greens bright before they’re tossed with garlic and sauce.

What Is Water Spinach?

Water spinach is a leafy green vegetable with hollow stems and tender leaves. At Asian grocery stores, you may also see it labeled as morning glory or water spinach.

It has a mild flavor and a slightly crisp texture, so it works especially well in quick stir-fries.

Ingredients needed for stir fried water spinach: water spinach, garlic, vegetable oil, oyster sauce, sugar, and fried garlic.

A Few Things to Know Before Cooking

Choose bunches with bright green leaves and firm stems. Trim off any tough or woody ends before cooking.

Garlic is the main flavor here, so I use a good amount. You can mince it or slice it thinly depending on the texture you prefer.

Oyster sauce adds a little savory flavor and helps coat the greens, while a small amount of sugar balances everything out.

Please scroll ⬇️ to the recipe card for the full ingredient amounts and instructions.

How to Make Garlic Water Spinach

Start by trimming off any tough ends, then cut the water spinach into shorter pieces so it’s easier to cook and eat.

Knife chopping the ends off of the rau muong.
Knife chopping the ends off of the rau muong.

Bring a pot of water to a boil and blanch the greens briefly. You’re not trying to fully cook them here. The stems should soften slightly while still keeping some crunch.

Drain them really well before moving on. Any extra water left on the greens can thin out the sauce once they go into the pan.

Hands adding water spinach into pot of boiling water.
Pot of boiling water with tongs holding up blanched rau muong.

Heat the oil in a large skillet or wok and add the garlic. Cook it just until fragrant so it doesn’t have time to burn.

Add the drained water spinach and toss everything together quickly. The leaves will wilt almost immediately, while the stems should stay a little crisp.

Pan with garlic slices and oil.
Pan with blanched water spinach, sautéed garlic slices, oyster sauce and sugar.

Finish with the oyster sauce and sugar and toss until the greens look glossy and evenly coated. Once everything is hot, take it off the heat so the vegetables don’t overcook.

For the Best Texture

✔️ Don’t blanch the greens for too long. The stems should still have a little crunch.
✔️ Drain them well. Extra water can make the stir-fry watery instead of glossy.
✔️ Have everything ready before you start. Once the garlic hits the pan, the rest of the recipe only takes a few minutes.
✔️ Keep an eye on the garlic. It can go from fragrant to burnt very quickly.
✔️ Serve it right away. Water spinach has the best texture while it’s still hot and crisp-tender.

What to Serve With Garlic Water Spinach

This is the kind of vegetable side that works with almost any Vietnamese dinner.

It goes especially well with Vietnamese Braised Pork and Eggs (Thit Kho) and rice, or alongside grilled dishes like Vietnamese Grilled Pork.

You can also serve it with noodle soups such as Vietnamese Crab Noodle Soup (Bun Rieu) or Vietnamese Beef Pho (Pho Tai) when you want something fresh and green on the side.

Plate of water spinach stir fried with garlic slices and topped with fried garlic.

Storing and Reheating

Water spinach is best served right after cooking while the stems still have some crunch.

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

Reheat gently in a skillet over medium heat just until warmed through. Try not to cook it much longer or the stems and leaves can become too soft.

Plate of morning glory stir fried with garlic surrounded by bowls of rice and a pair of chopsticks.

If you make this Garlic Water Spinach, I’d love to hear how it turned out! Leave a comment and rating below.

RECIPE

Rau muong water spinach with garlic on a plate.

Rau Muống (Stir Fried Morning Glory with Garlic)

Quynh Nguyen
This Vietnamese stir-fried water spinach is a quick, flavorful side dish made with tender morning glory, garlic, and a light oyster sauce glaze. It cooks in minutes and pairs well with rice, grilled meats, or noodle soups.
4.98 from 47 votes
Prep Time 5 minutes
Cook Time 8 minutes
Total Time 13 minutes
Course Side Dish
Cuisine Vietnamese
Servings 4 servings
Calories 65 kcal

Ingredients
  

  • 1 pound water spinach (rau muong), washed and trimmed
  • 1 tablespoon vegetable oil
  • 3 garlic cloves, minced or thinly sliced
  • 2 tablespoons oyster sauce
  • ½ teaspoon sugar
  • Salt and pepper, to taste
  • ½ tablespoon fried garlic, optional for topping

Instructions
 

  • Prep the water spinach. Trim tough ends and discard any wilted leaves. Cut into 3–4 inch sections.
  • Blanch briefly. Bring a large pot of water to a boil. Blanch the water spinach for 1–2 minutes until just tender but still vibrant. Drain well and set aside.
  • Sauté the garlic. Heat oil in a large wok or skillet over medium-high heat. Add garlic and cook for about 30 seconds, just until fragrant.
  • Stir-fry. Add the drained water spinach and toss for 1–2 minutes until evenly coated in the garlic oil.
  • Season. Add oyster sauce and sugar. Toss for another 1–2 minutes until glossy. Season with salt and pepper to taste.
  • Serve. Transfer to a plate and top with fried garlic if using. Serve immediately.

Notes

  • Blanching first keeps the stems tender and the color bright while preventing excess moisture in the pan.
  • Drain the water spinach well before stir-frying so the sauce doesn’t get watered down.
  • This dish cooks fast. Have everything ready before you start.
  • For extra heat, add a pinch of chili flakes or a drizzle of chili oil at the end.

Nutrition

Calories: 65kcalCarbohydrates: 7gProtein: 3gFat: 4gSaturated Fat: 1gPolyunsaturated Fat: 2gMonounsaturated Fat: 1gTrans Fat: 0.02gSodium: 374mgPotassium: 372mgFiber: 2gSugar: 1gVitamin A: 7144IUVitamin C: 63mgCalcium: 96mgIron: 2mg
Have you tried this recipe? Leave a star rating and let us know how it was!

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4.98 from 47 votes (45 ratings without comment)

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2 Comments

  1. 5 stars
    It’s a favorite side dish of mine. I always add sliced up Thai chili peppers for some added heat during stir-frying.