Summary: Phở Bò is the iconic Vietnamese national noodle soup featuring delicate rice noodles, whisper-thin slices of beef, and an intensely aromatic clear broth simmered for hours with charred ginger, charred onion, star anise, cinnamon, and cloves, served fresh with herbs, lime, and chili.
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Category: Main Dishes, Soups
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Quick overview
- Dish: Phở Bò
- Category: Main Dishes, Soups
- Cuisine: Vietnamese
- Main ingredient: Beef bones and chuck roast, 4.5 lb (top-tier butcher quality)
- Guide: 12 Most Popular Vietnamese Dishes: Favorite Recipes of Vietnamese Cuisine
- Total time: 390 minutes (30 min prep + 360 min cooking)
- Difficulty: Intermediate
- Servings: 6 servings (Serving weight: 550 g)
- Key technique: Long bone simmering and spice dry-roasting
- Preparation types: Simmering, parboiling, slicing, assembling
- Dietary info & Allergens: Gluten-Free, Dairy-Free, contains fish sauce
- Suitable for: Lunch, Dinner, Comfort food enthusiasts
- Nutritional values (per 1 serving): 480 kcal, Protein: 38 g, Fat: 14 g, Carbs: 52 g
- Storage: 3 days in the fridge, 2 months in the freezer
- Pairing: Saigon Beer, Light Riesling, Lime Iced Tea
- In a nutshell: An aromatic, soulful masterpiece featuring crystal-clear spiced beef broth, tender rice noodles, and raw beef slices cooked instantly by the boiling soup.
- Last updated: October 24, 2023
WAGUU says: “The secret to an authentic Phở Bò lies in achieving absolute clarity of the broth through rigorous bone blanching and slow, patient simmering without boiling.”
Key facts
| Prep time: | 30 min |
| Cooking time: | 360 min |
| Temperature: | 212 °F simmering |
| Number of servings: | 6 servings |
In a nutshell
Discover the authentic preparation of Phở Bò, Vietnam’s crown jewel of noodle soups. This recipe guides you through creating a deeply comforting, crystal-clear broth infused with charred aromatics and exotic spices, poured hot over silky rice noodles and meltingly tender beef.
Ingredients
Base servings: 6 servings • Serving weight: 550 g
| Ingredient | Quantity | Quality |
|---|---|---|
| Beef knuckle and marrow bones | 4.0 lb | Fresh, cleaned |
| Beef chuck roast | 1.5 lb | Well-marbled |
| Yellow onion | 2.0 pcs | Large, unpeeled |
| Fresh ginger root | 6.0 oz | Knob, unpeeled |
| Star anise pods | 5.0 pcs | Whole, aromatic |
| Ceylon cinnamon stick | 1.0 pc | Whole |
| Whole cloves | 1.0 tsp | Dried |
| Cardamom pods | 3.0 pcs | Black or green |
| Coriander seeds | 1.0 tbsp | Whole |
| Fish sauce | 0.33 cup | Premium Vietnamese (first press) |
| Rock sugar | 2.0 tbsp | Yellow crystal |
| Salt | 1.5 tbsp | Sea salt |
| Flat rice noodles (Bánh Phở) | 1.5 lb | Medium width (dry) |
| Beef eye round | 0.75 lb | Partially frozen for slicing |
| Fresh bean sprouts | 2.0 cups | Crisp |
| Fresh Thai basil | 1.0 bunch | Fresh herbs |
| Cilantro | 1.0 bunch | Fresh |
| Lime | 3.0 pcs | Juicy wedges |
| Jalapeño pepper | 2.0 pcs | Sliced |
| Green onions | 1.0 bunch | Thinly sliced |
Why you’ll love this recipe
- Authentic Flavor Profile: Recreates the complex, fragrant depth of traditional street-side Phở without shortcuts.
- Restaurant Quality at Home: Master the art of achieving a crystal-clear broth that is rich in collagen and deep umami.
- Customizable Experience: Everyone at the table can tailor their bowl with fresh herbs, lime, and chilies to their exact liking.
Success guaranteed: Following our precise bone blanching and slow simmering techniques ensures a non-cloudy, perfectly seasoned broth every single time.
Recipe overview
Prep: 30 min | Cooking: 360 min | Difficulty: Intermediate | Servings: 6 servings | Type: Soup / Main Dish | Origin: Vietnam
Detailed instructions
Overall progress: 0% completed
Phase 1: Blanching the Bones – 20 min
Appliances: Stove
1. Place the beef knuckle and marrow bones into a large stockpot, cover with cold water, and bring to a vigorous boil over high heat. Let boil for 10 minutes to expel impurities and blood. Drain the bones completely and wash them thoroughly under cold running water, scrubbing away any surface scum.
CP: Bones are thoroughly washed and free of gray scum.
Before moving to the next step:
Ensure the stockpot is meticulously cleaned before returning the blanched bones to prevent any cloudy sediment in your broth.
Phase 2: Charring Aromatics – 20 min
Appliances: Stove, oven broiler
2. Halve the unpeeled yellow onions and ginger knobs. Char them directly over an open gas flame or under a hot broiler until the skins are deeply blackened and fragrant. Rinse off the charred outer residue under water while keeping the sweet roasted flesh intact.
CP: Onions and ginger exhibit rich charred aromas and softened texture.
Before moving to the next step:
Do not skip charring; this traditional step provides the essential smoky background note characteristic of authentic Phở.
Phase 3: Toasting Spices – 10 min
Appliances: Stove, skillet
3. In a dry skillet over medium heat, toast the star anise pods, cinnamon stick, whole cloves, cardamom pods, and coriander seeds for 3 to 5 minutes until fragrant. Transfer the toasted spices into a clean cheesecloth spice bag and tie securely.
CP: Spices release intense essential oils and aromas without burning.
Before moving to the next step:
Enclose spices tightly in cheesecloth to prevent stray spice bits from muddying the visual clarity of the broth.
Phase 4: Simmering the Broth – 300 min
Appliances: Stove, large stockpot
4. Return the cleaned bones and chuck roast to the stockpot, add 6 quarts of fresh water, and bring to a gentle simmer. Add the charred onions, ginger, spice bag, fish sauce, rock sugar, and sea salt. Simmer on low heat uncovered for 5 hours, skimming any surface foam periodically. Remove the chuck roast after 2 hours when tender, slice when cool, and set aside.
CP: Broth remains at a gentle simmer, yielding a rich, clear amber liquid.
Before moving to the next step:
Maintain a low simmer rather than a rolling boil to prevent the broth from turning cloudy.
Phase 5: Preparing Noodles and Meats – 20 min
Appliances: Stove, pot for noodles
5. Cook the flat rice noodles according to package instructions until tender yet firm to the bite (al dente), then rinse with cold water and drain well. Slice the partially frozen beef eye round paper-thin across the grain. Wash and arrange all fresh herbs, bean sprouts, lime wedges, and sliced chilies on a communal platter.
CP: Noodles are perfectly springy; beef slices are uniform and paper-thin.
Before moving to the next step:
Ensure beef eye round is partially frozen to achieve effortless paper-thin slicing.
Phase 6: Assembly and Serving – 10 min
Appliances: Ladle, bowls
6. Strain the simmering broth through a fine-mesh sieve, adjusting seasoning with extra fish sauce if needed. Distribute prepared noodles into warm serving bowls. Top with slices of cooked chuck roast and raw eye round beef. Ladle boiling-hot broth directly over the meat to instantly cook the raw slices, garnish with chopped green onions and cilantro, and serve immediately with the herb platter.
CP: Raw beef turns perfectly tender and pink upon contact with boiling broth.
Required equipment
| Utensil | Ideal size | Alternative | Risk |
|---|---|---|---|
| Stockpot | 12-quart capacity | Large Dutch oven | Overboiling or splashing |
| Fine-mesh strainer | 10-inch diameter | Colander lined with cheesecloth | Sediment in broth |
| Slicing knife | 8-inch chef’s knife | Santoku knife | Uneven beef slices |
Shopping list
Nutrition profile
Values per 1 serving (excluding side dishes). Calculated from average ingredient nutrition values.
| Nutrient | Per 100 g | Per 1 serving | Per 6 servings |
|---|---|---|---|
| Energy | 87.3 kcal | 480.0 kcal | 2880.0 kcal |
| Fat | 2.5 g | 14.0 g | 84.0 g |
| of which saturates | 1.0 g | 5.5 g | 33.0 g |
| Carbohydrates | 9.5 g | 52.0 g | 312.0 g |
| of which sugars | 0.8 g | 4.5 g | 27.0 g |
| Protein | 6.9 g | 38.0 g | 228.0 g |
| Salt | 1.1 g | 6.0 g | 36.0 g |
Reference intake of an average adult (8400 kJ / 2000 kcal).
WAGUU Pro level
- Pro standard: Verified recipe with precise ratios and visual checkpoints.
- Tip 1: Freeze beef eye round for 45 minutes before slicing to achieve professional paper-thin cuts.
- Tip 2: Never skip blanching the bones in boiling water first; this removes all impurities for a crystal-clear broth.
- Tip 3: Toast whole spices dry until aromatic just before simmering to maximize their volatile essential oils.
- Tip 4: Serve broth at a rolling simmer so it instantly cooks the raw beef slices in the bowl.
Scientific background
Long, slow simmering of connective-tissue-rich marrow bones breaks down insoluble collagen into soluble gelatin, imparting a velvety mouthfeel and rich body to the broth without adding commercial thickeners. Charring onions and ginger initiates Maillard reactions and caramelization, generating complex flavor compounds that balance the aromatic spices.
Fine Dining – Professional techniques
- Plate composition: Neatly fold noodles into the center of a wide-rimmed bowl and fan raw beef slices over them in a precise arc.
- Texture contrasts: Combine silky noodles, tender cooked beef, crisp bean sprouts, and fresh herbaceous garnishes.
- Temperature contrast: Ensure the broth is boiling hot when poured over room-temperature noodles and raw meat.
- Aromatic garnishes: Finish with finely chiffonaded green onions and cilantro just before serving.
Sensory radar
- Appearance: Crystal-clear amber broth over pristine white noodles and pink-to-brown beef.
- Aroma: Intensely fragrant notes of star anise, cinnamon, charred ginger, and fresh herbs.
- Taste: Deeply savory, balanced sweet-and-salty umami with warming spice undertones.
- Texture: Silky broth, tender meats, springy noodles, and crunchy bean sprouts.
Pairing
- BEER: Chilled Saigon or Hanoi Lager
- WINE: Off-dry German Riesling or Gewürztraminer
- NON-ALCOHOLIC: Traditional Vietnamese iced limeade (Nước Chanh Đá)
Various preparation methods
- Pressure Cooker Method: Simmer bones and aromatics under high pressure for 90 minutes to drastically reduce active cooking time.
- Slow Cooker Method: Simmer the broth on low setting for 10 to 12 hours overnight for an effortless deep flavor extraction.
Allergens and dietary information
Contains: Fish sauce (anchovy extract) • Gluten: Naturally Gluten-Free • Not suitable for: Vegetarians and vegans
Suitable for
Lunch, Dinner, Soul-warming comfort food, Asian cuisine gatherings
Substitution guide
- Beef eye round: Sirloin or tenderloin
- Fish sauce: Tamari or light soy sauce for a vegetarian twist
FAQ
Can I make Phở Bò ahead of time?
Yes, the broth can be fully prepared up to 3 days in advance, strained, and stored in the refrigerator.
Why did my broth turn cloudy?
Cloudiness happens if the bones were not blanched properly or if the broth was allowed to boil vigorously instead of gently simmering.
What cut of beef is best for rare slices?
Beef eye round, sirloin, or flank steak work best when sliced paper-thin while partially frozen.
Is Phở naturally gluten-free?
Yes, traditional rice noodles and pure broth ingredients are inherently gluten-free.
WAGUU Petr advises: Cooking for 12 or more people?
12–16 people: Double all ingredients and use two large stockpots to maintain proper heat distribution. • 20+ people: Prepare the broth in a commercial stockpot, divide into batches for noodle assembly, and set up a self-serve garnish bar.
Sides and serving
- Hoisin sauce and Sriracha – served in small dipping bowls for meat (not included in the recipe)
- Pickled garlic or onions – tangy condiment for extra punch (not included in the recipe)
Serving: Serve steaming hot in deep ceramic bowls with chopsticks and a soup spoon.
Storage and reheating
Fridge: 3 days • Freezer: 2 months • Reheating: Bring broth to a rolling boil on the stove before pouring over freshly cooked noodles.
Author: WAGUU Petr & Team • Published: 31 Oct 2026
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Common mistakes
- Failing to blanch bones – Skipping the initial bone boil leaves impurities that make the broth cloudy and muddy.
- Boiling instead of simmering – Allowing the stock to roll-boil emulsifies fats and darkens the broth excessively.
- Not toasting spices – Skipping the dry-roast step leaves the broth lacking its signature aromatic complexity.
- Overcooking noodles – Rice noodles become mushy if soaked too long before hot broth is added.