
Oyster mushroom siomai is a delicious and innovative twist on the traditional Filipino siomai, offering a vegetarian-friendly option that’s both flavorful and nutritious. Made with finely chopped oyster mushrooms, which mimic the texture of ground meat, this dish combines the umami richness of mushrooms with the savory goodness of siomai filling. To make oyster mushroom siomai, start by sautéing the mushrooms with garlic, onions, and seasonings like soy sauce, sesame oil, and black pepper. The mixture is then wrapped in wonton wrappers and steamed until tender. This recipe is not only easy to prepare but also a healthier alternative, perfect for those looking to incorporate more plant-based meals into their diet while enjoying the familiar comfort of siomai.
| Characteristics | Values |
|---|---|
| Main Ingredient | Oyster Mushrooms |
| Secondary Ingredients | Ground Pork (optional), Shrimp (optional), Garlic, Ginger, Soy Sauce, Sesame Oil, Salt, Pepper, Cornstarch |
| Wrapper Type | Wonton Wrappers |
| Preparation Time | 30 minutes (prep), 20 minutes (cooking) |
| Cooking Method | Steaming |
| Texture | Tender, Juicy |
| Flavor Profile | Savory, Umami, Slightly Sweet |
| Health Benefits | Low in Calories, High in Protein, Rich in Vitamins (B, D) and Minerals (Iron, Zinc) |
| Serving Suggestion | Steamed, Served with Soy Sauce or Chili Garlic Sauce |
| Storage | Refrigerate for up to 3 days, Freeze for up to 1 month |
| Dietary Considerations | Can be made Vegetarian/Vegan (omit pork/shrimp), Gluten-Free (use gluten-free wrappers) |
| Yield | Approximately 20-25 pieces |
| Difficulty Level | Easy to Moderate |
| Cultural Origin | Filipino-Chinese Fusion |
| Key Tip | Squeeze excess moisture from mushrooms before mixing to avoid soggy siomai |
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What You'll Learn
- Ingredients Needed: Oyster mushrooms, minced pork, siomai wrappers, garlic, soy sauce, sesame oil, salt, pepper
- Preparing Mushrooms: Clean, chop mushrooms finely; sauté until tender; drain excess moisture for filling
- Mixing Filling: Combine mushrooms, pork, garlic, sauces, and spices; blend until well incorporated
- Wrapping Siomai: Place filling on wrapper; fold pleats, seal tightly; repeat for all pieces
- Steaming Process: Steam siomai for 10-12 minutes until cooked; serve with dipping sauce

Ingredients Needed: Oyster mushrooms, minced pork, siomai wrappers, garlic, soy sauce, sesame oil, salt, pepper
Oyster mushrooms, with their delicate texture and earthy flavor, serve as the star ingredient in this siomai variation, blending seamlessly with minced pork to create a filling that’s both hearty and nuanced. Their natural umami enhances the dish without overpowering it, making them an ideal choice for those seeking a meat-mushroom balance. When selecting oyster mushrooms, opt for fresh, firm caps with minimal discoloration, as they’ll retain their structure during cooking. Slice them thinly to ensure even distribution in the filling, allowing each bite to deliver a consistent blend of flavors.
Minced pork acts as the binding agent in this recipe, providing richness and moisture to the siomai filling. A ratio of 2 parts mushrooms to 1 part pork works best, ensuring the mushrooms remain the focal point while the pork adds depth. For optimal texture, choose pork with a fat content of 20–25%, as this prevents the filling from drying out during steaming. Mix the pork and mushrooms thoroughly, allowing the proteins to meld together for a cohesive bite.
Siomai wrappers, typically made from wheat flour and water, serve as the vessel for the filling, requiring careful handling to avoid tearing. Thaw frozen wrappers gradually at room temperature, and dust them lightly with cornstarch to prevent sticking. When assembling, place a heaped teaspoon of filling in the center of each wrapper, then pleat and seal the edges with damp fingers. Aim for a slightly open top to allow steam to escape, preventing the wrappers from bursting during cooking.
Garlic, soy sauce, sesame oil, salt, and pepper form the flavor backbone of the filling, each playing a distinct role. Mince 3–4 cloves of garlic finely and sauté until fragrant to temper its raw edge, then add 2 tablespoons of soy sauce for savory depth and 1 teaspoon of sesame oil for a nutty finish. Season sparingly with salt, as soy sauce already contributes sodium, and add pepper to taste for a subtle kick. Adjust seasoning incrementally, tasting the raw mixture before wrapping to ensure balance.
This combination of ingredients transforms traditional siomai into a lighter, more complex dish, marrying the best of mushrooms and pork. By focusing on quality components and precise ratios, you create a siomai that’s both familiar and innovative, perfect for those looking to elevate a classic dumpling. With attention to detail in preparation and seasoning, this recipe yields a delicate yet satisfying bite, proving that simplicity, when executed thoughtfully, can be extraordinary.
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Preparing Mushrooms: Clean, chop mushrooms finely; sauté until tender; drain excess moisture for filling
The foundation of any great oyster mushroom siomai lies in the preparation of the mushrooms themselves. Properly cleaning, chopping, sautéing, and draining them ensures a flavorful, textured filling that holds together without becoming soggy. Begin by gently brushing the oyster mushrooms with a soft pastry brush or damp cloth to remove any dirt or debris. Avoid rinsing them under water, as mushrooms act like sponges and excess moisture can dilute the filling’s flavor. Once cleaned, finely chop the mushrooms into uniform pieces—aim for a consistency slightly smaller than peas. This not only ensures even cooking but also helps the filling bind seamlessly with other ingredients.
Sautéing the mushrooms is a critical step that concentrates their earthy flavor and reduces moisture. Heat a tablespoon of oil in a pan over medium heat, add the chopped mushrooms, and cook until they turn golden brown and tender, stirring occasionally. This process, which takes about 8–10 minutes, releases their natural juices and deepens their umami profile. Be patient; rushing this step can leave the mushrooms undercooked and watery. For added depth, incorporate minced garlic or shallots during the last 2 minutes of sautéing, allowing their aromas to meld with the mushrooms.
Draining excess moisture is often overlooked but essential for a cohesive siomai filling. After sautéing, transfer the mushrooms to a fine-mesh strainer or clean kitchen towel and press gently to remove any liquid. Alternatively, spread them on a paper towel-lined plate and blot with additional towels. This step prevents the filling from becoming runny, ensuring the siomai wrappers stay intact during steaming. Properly drained mushrooms also allow other filling ingredients, such as pork or shrimp, to shine without being overshadowed by excess water.
Consider this technique a balancing act: too much moisture, and your siomai falls apart; too little, and the filling becomes dry. Aim for mushrooms that are tender but not mushy, with just enough moisture to keep the mixture pliable. For precision, weigh the mushrooms before and after sautéing to gauge moisture loss—a reduction of 20–30% is ideal. This meticulous approach transforms simple oyster mushrooms into the star of your siomai, creating a filling that’s both juicy and structurally sound. Master this preparation, and you’ll elevate your siomai from good to unforgettable.
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Mixing Filling: Combine mushrooms, pork, garlic, sauces, and spices; blend until well incorporated
The heart of any siomai lies in its filling, and the oyster mushroom variant is no exception. Here, the key is to achieve a harmonious blend where the earthy, umami-rich mushrooms complement the savory pork, enhanced by a careful balance of garlic, sauces, and spices. Start by finely chopping the oyster mushrooms to ensure they integrate seamlessly with the ground pork. A ratio of 2 parts pork to 1 part mushrooms works well, providing a meaty texture while allowing the mushrooms’ unique flavor to shine.
Garlic, a staple in many siomai recipes, should be minced to a paste-like consistency to distribute its pungent aroma evenly. For sauces, a combination of soy sauce, oyster sauce, and a touch of sesame oil adds depth and complexity. Use 1 tablespoon of soy sauce and 1 teaspoon of oyster sauce per 500 grams of filling, adjusting to taste. Spices like white pepper and a pinch of sugar can round out the flavors, with ½ teaspoon of pepper and 1 teaspoon of sugar being a good starting point.
Blending the filling requires patience and technique. Overmixing can make the mixture gummy, while undermixing leaves it uneven. Use your hands or a wooden spoon to combine the ingredients gently but thoroughly, ensuring every element is well incorporated. Aim for a sticky, cohesive mixture that holds its shape when rolled into balls. If the filling feels too dry, add a tablespoon of water or additional sauce to bind it together.
A practical tip is to chill the filling for 30 minutes before wrapping. This firms it up, making it easier to handle and preventing it from falling apart during the wrapping process. Additionally, taste a small cooked portion of the filling before proceeding to ensure the seasoning is balanced. This step allows for last-minute adjustments, guaranteeing a flavorful siomai that highlights the oyster mushroom’s unique character.
In essence, the filling is where creativity meets precision. By carefully selecting and combining ingredients, you create a base that’s both comforting and innovative. Master this step, and you’re well on your way to crafting siomai that stands out for its texture, flavor, and ingenuity.
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Wrapping Siomai: Place filling on wrapper; fold pleats, seal tightly; repeat for all pieces
The art of wrapping siomai is a delicate balance of precision and practice. Begin by placing a heaped teaspoon of your oyster mushroom filling in the center of a gyoza wrapper, ensuring the mixture is compact yet not overly dense to allow for even cooking. The wrapper, typically a thin circle of wheat dough, serves as the canvas for your culinary creation. This step is crucial; too much filling can cause the wrapper to tear, while too little may result in a dry, underwhelming bite.
Instructively, the folding technique is where your siomai transforms from a simple mixture into an elegant dumpling. Hold the wrapper in your non-dominant hand, and using your dominant hand, start pleating the edges. Create 4-6 pleats, pinching each fold tightly to ensure a secure seal. The goal is to form a beautiful, uniform pattern while enclosing the filling completely. Think of it as crafting a tiny parcel, where the wrapper is the paper, and the filling is the precious gift inside. A tight seal is essential to prevent the siomai from bursting open during steaming.
From a comparative perspective, the wrapping process is akin to assembling a puzzle. Each pleat must align perfectly, and the final seal should be firm but not overly tight, allowing the siomai to expand slightly during cooking. Unlike other dumplings, siomai’s open-top design requires a more meticulous approach to ensure the filling stays intact. Practice makes perfect; the first few attempts might result in uneven pleats or loose seals, but with repetition, you’ll develop a rhythm that ensures consistency.
Descriptively, the act of wrapping siomai is a sensory experience. The slight stickiness of the wrapper, the earthy aroma of the oyster mushroom filling, and the tactile feedback as your fingers fold and seal create a connection between you and the dish. Each piece becomes a small work of art, a testament to your patience and attention to detail. As you repeat the process for all pieces, a sense of accomplishment grows, knowing that each dumpling is a step closer to a delicious, homemade meal.
Finally, a practical tip: keep a small bowl of water nearby to moisten the wrapper’s edges before sealing. This acts as a natural adhesive, ensuring a tighter bond between pleats. Work in batches, covering completed siomai with a damp cloth to prevent the wrappers from drying out. With these techniques, wrapping siomai becomes not just a task, but a meditative practice that elevates the entire cooking experience.
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Steaming Process: Steam siomai for 10-12 minutes until cooked; serve with dipping sauce
Steaming is the final, transformative step in crafting oyster mushroom siomai, where raw ingredients become a tender, flavorful dish. Unlike boiling or frying, steaming preserves the delicate texture of the mushrooms while locking in the umami-rich filling. A bamboo steamer is ideal, as it allows for even heat distribution and imparts a subtle, natural aroma. If unavailable, a metal steamer or makeshift setup with a rack over a pot of simmering water works just as well. The key is maintaining a steady, gentle steam to ensure the siomai cooks through without drying out.
Timing is critical in this process. Steam the siomai for 10–12 minutes, adjusting slightly based on size and filling density. Oversteaming can make the wrappers chewy, while understeaming leaves the filling undercooked. A visual cue to look for is the wrappers becoming translucent and slightly puffed, indicating they’ve cooked through. Inserting a toothpick into the center of a siomai should meet no resistance, confirming the filling is hot and fully cooked. For consistency, arrange the siomai in a single layer, leaving a small gap between each to allow steam circulation.
Serving the siomai immediately after steaming enhances its texture and flavor. Pair it with a dipping sauce that complements the earthy, savory notes of the oyster mushrooms. A classic soy-based sauce with ginger, chili, and a touch of vinegar is a popular choice, but experimenting with variations like sesame oil, garlic, or even a creamy vegan sauce can elevate the dish. For a crowd, keep the siomai warm by covering them lightly with a damp cloth until ready to serve, ensuring they remain moist and appetizing.
While the steaming process is straightforward, a few practical tips can refine the outcome. Preheat the steamer for 2–3 minutes before adding the siomai to prevent them from sticking to the surface. If using frozen siomai, add 2–3 minutes to the steaming time, ensuring they’re thoroughly heated. For a professional touch, garnish with chopped scallions, sesame seeds, or a drizzle of chili oil just before serving. Mastering this step not only completes the dish but also highlights the versatility and simplicity of oyster mushroom siomai as a standout appetizer or main course.
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Frequently asked questions
You'll need oyster mushrooms, ground pork or chicken (optional), siomai wrappers, garlic, ginger, soy sauce, sesame oil, salt, pepper, and green onions. For a vegetarian version, omit the meat.
Clean the oyster mushrooms by gently wiping them with a damp cloth or brushing off any dirt. Finely chop or mince the mushrooms, then mix them with the other filling ingredients like ground meat (if using), minced garlic, ginger, soy sauce, sesame oil, salt, pepper, and green onions.
Steam the siomai in a steamer basket over boiling water for 10–15 minutes until the wrappers are translucent and the filling is cooked through. Serve hot with a dipping sauce like soy sauce, chili garlic sauce, or vinegar with calamansi.

























