First Step: Marinate the Beef. Start by placing 2 to 2½ pounds of boneless beef chuck or brisket cut into 1½-inch chunks in a bowl. Add 2 cloves of minced garlic, 3 tablespoons minced ginger, 5 tablespoons fish sauce, 2½ teaspoons five-spice powder, and 1½ teaspoons brown sugar. Mix everything well to ensure the beef pieces are evenly coated. Let the beef marinate for at least 30 minutes to allow the flavors to penetrate deeply; marinating overnight in the fridge is even better for tender results.

Second Step: Infuse Aromatics in Oil. Heat 3 tablespoons of vegetable or neutral cooking oil in a large stockpot or Dutch oven over high heat. Add 1 stalk of lemongrass cut into 3-inch pieces with the tough parts removed. Swirl it around for about 1 minute to infuse the oil with citrus aroma. Then stir in 2 stalks of minced lemongrass and 8 cloves of minced garlic, cooking for 2 minutes until fragrant and golden.

Third Step: Build the Flavor Base. Add 1 medium sliced or diced onion to the pot. Cook until translucent, stirring occasionally to avoid burning. Then add the marinated beef chunks and brown them evenly on all sides. This step is essential to develop a deep, savory flavor foundation for the stew.

Fourth Step: Deepen the Sauce. Stir in 4 tablespoons of tomato paste to the seared beef and cook uncovered for 5 minutes. This caramelizes the tomato paste, deepening the color and richness of the stew’s base.

Fifth Step: Build the Broth and Simmer. Add 8 cups of water and 2 cups of pure coconut water or juice to the pot, followed by 2 whole star anise pods, 1 teaspoon ground black pepper, 1 teaspoon chili powder, 1 teaspoon annatto powder (optional for vibrant color), and 1 tablespoon paprika (optional for sweetness and color). Bring the liquid to a boil, then reduce heat to medium-low. Cover and simmer steadily for 1 hour, allowing the beef to become tender and absorb the aromatic flavors.

Sixth Step: Add Vegetables and Seasonings. After 1 hour, add 8 large carrots peeled and sliced on the bias into 1½-inch chunks. Season with 1 teaspoon salt, 3 tablespoons soy sauce, and 3 tablespoons chili oil, adjusting chili oil to your preferred spice level. Simmer uncovered for another 40 minutes until both beef and carrots are tender and the broth reaches a rich, balanced flavor.

Final Step: Serve & Garnish. Remove larger aromatics such as lemongrass stalks and star anise pods before serving to avoid unwanted textures. Cook noodles according to package instructions just before serving to keep them fresh and springy. Place noodles in serving bowls and ladle the boiling hot Bo Kho over them. Garnish with roughly chopped cilantro, Thai basil, thinly sliced raw onion if desired, and lime wedges on the side to add brightness. Enjoy this comforting Vietnamese beef stew traditionally served with rice noodles but also excellent with French bread or steamed rice.