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two bowls of bun bo xao (vietnamese lemongrass beef noodle) with chopsticks

Bun Bo Xao (Vietnamese Lemongrass Beef Noodle)

Course Main Dish, Salad
Cuisine Asian, Vietnamese
Prep Time 30 minutes
Cook Time 15 minutes
Servings 4 people


Vietnamese Lemongrass Beef

  • 1 lb ribeye (or any other cut)
  • 2-3 tbsp finely minced lemongrass
  • 4 garlic cloves minced
  • 1 small onion sliced
  • 1 tbsp oyster sauce
  • 1 tbsp fish sauce
  • 1 tsp sugar or coconut sugar or light brown sugar (omit if sugar free)
  • 1 tsp ground black pepper
  • 1 tbsp avocado oil

Nuoc Mam Cham (Fish sauce dressing)

  • ¼ cup fish sauce
  • ½ cup water
  • 1-2 garlic cloves minced
  • 2 Thai chili peppers finely sliced
  • 2 limes juiced
  • 1 tbsp sugar or coconut sugar (use apple sauce if sugar free)

Noodle Salad

  • 1 pck vermicelli noodles or 4 zucchinis spiralized
  • chopped lettuce
  • julienned cucumbers
  • julienned carrots
  • mint leaves
  • chopped cilantro
  • Thai basil
  • bean sprouts
  • crushed roasted peanuts or crushed roasted cashew nuts


Vietnamese Lemongrass Beef

  1. Place ribeye (or any steak) in the freezer for 20-25 minutes. Remove from freezer and thinly slice against the grain.

  2. In a bowl or shallow dish, add the ribeye, lemongrass, garlic, onion, oyster sauce, fish sauce, sugar, and ground black pepper. Mix until everything is well combined.

  3. Marinate for 30 minutes.

  4. Preheat a large cast iron skillet or wok over medium-high with 1 tbsp avocado oil.

  5. Add the beef and onions to the skillet, spread out the beef so a majority of it is touching the skillet.

  6. Let sit for 2-3 minutes or until it starts to char and then toss until cooked through.

Nuoc Nam Cham

  1. Add all ingredients to a small saucepan.

  2. Heat everything through until sugar has dissolved.

  3. Remove from heat and set aside.

Noodle Salad

  1. Prepare vermicelli noodles according to package.

  2. Add vermicelli noodles to a bowl and top with Vietnamese lemongrass beef and the different toppings.

  3. Dress the noodle salad with nuom mam cham.