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Delicious Vietnamese Bun Bo Xao - A flavorful noodle salad dish with tender stir-fried beef, fresh herbs, and rice noodles, topped with peanuts and served with Vietnamese dipping sauce.

Bún Bò Xào / Bún Bò Nam Bộ (Beef Vermicelli Salad)

Bún Bò Xào / Bún Bò Nam Bộ - Quick & easy Vietnamese meal with fresh herbs, flavorful lemongrass beef, rice noodles, and sweet - tangy fish sauce. Preparation takes less than 30 minutes, yet this dish exceeds all expectations.
Prep Time: 20 minutes
Cook Time: 10 minutes
Course: Main Course, Salad
Cuisine: Vietnamese
Servings: 2
Author: Cielle

Ingredients

Fish Sauce Dressing

  • 3 tbsp fish sauce
  • 3 tbsp sugar
  • 6 tbsp hot water
  • 1 tsp rice vinegar (5%)
  • Minced garlic
  • Minced chili

Marinated Lemongrass Beef

  • 0.7 pound beef (top round steak, flank steak, sirloin, strip, and rib-eye cuts) (320g)
  • tbsp soy sauce
  • 1 tbsp oyster sauce
  • ½ tsp sugar
  • ½ tbsp cornstarch
  • 1 tbsp cooking oil
  • 1 stalk lemongrass (finely chopped)
  • 1 tbsp minced garlic
  • 1 onion (thinly sliced)
  • 1 cup mung bean sprouts (100g)

Serving

  • Dry or fresh rice vermicelli
  • Lettuce
  • Cucumber
  • Herbs (mint, cilantro...)
  • Vietnamese Scallion Oil (Mỡ hành) (optional)
  • Vietnamese Pickled Carrot and Daikon (Đồ chua) (optional)
  • Fried Shallots (optional)
  • Roasted Peanuts (optional)

Instructions

Marinate the Beef

  • Slice beef thinly against the grain. Marinate beef with soy sauce, oyster sauce, sugar, cornstarch, garlic, lemongrass, and a little oil for at least 15 minutes.

Prep Noodles & Veggies

  • Make the pickled carrots and daikon at least 30 minutes ahead so the flavors have time to meld.
  • Cook rice noodles as per package instructions.
  • Wash and prep veggies: shred lettuce, julienne cucumber, rinse bean sprouts and herbs.
  • Whisk together fish sauce dressing and set aside.
  • For scallion oil (Mỡ Hành): combine chopped scallions, sugar, and salt in a heatproof bowl. Heat oil until almost smoking, pour over scallions, stir, and cool.

Cook the Beef

  • Heat oil in a pan over medium-high heat, sauté onions until soft.
  • Add marinated beef, sear 20–30 seconds, then stir-fry briefly.
  • Toss in mung bean sprouts at the end, stir-fry just until cooked.

Build Your Bowl

  • Place noodles in a bowl, top with lettuce, cucumber, herbs, and beef.
  • Add roasted peanuts, pickled carrots & daikon, scallion oil, and fried shallots.
  • Finish with a drizzle of Nước Chấm and serve immediately.
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