This recipe captures the sweet-savory essence of traditional Filipino pork asado, perfectly adapted for siopao filling. I developed it after studying my grandmother’s vague notes, translating her intuitive methods into precise steps anyone can follow.
The marinade combines soy sauce, brown sugar, and aromatics to create tender meat with a glossy, caramelized finish. Cooking low and slow ensures the pork becomes fork-tender while the sauce reduces to a thick, flavorful glaze.
When folded into steamed bun dough, this filling transforms simple bread into something special. The contrast between the soft bun and rich, saucy pork makes every bite satisfying.
This method delivers consistent results without complicated techniques. The filling keeps well, making it ideal for meal prep or feeding a crowd.
Ingredients for Pork Asado Recipe for Siopao
Traditional Filipino flavors meet siopao filling with these precise, authentic ingredients.
| Ingredient | Amount | Notes |
|---|---|---|
| Pork Shoulder 🥩 | 1 ½ lb | Cut into 1-inch cubes |
| Light Soy Sauce 🫒 | ½ cup | Low-sodium preferred for balance |
| Dark Soy Sauce 🫒 | 2 tbsp | For depth and color |
| Brown Sugar 🍚 | ½ cup | Packed, light or dark |
| Garlic Cloves 🧄 | 6 cloves | Minced for even distribution |
| Yellow Onion 🧅 | 1 whole | Medium-sized, finely chopped |
| Bay Leaves 🌿 | 2 pieces | Dried, for aromatic depth |
| Star Anise ✨ | 1 whole | Optional but traditional |
| Black Peppercorns 🌶️ | 1 tsp | Lightly crushed for freshness |
| Cornstarch 🌾 | 1 tbsp | For thickening the sauce |
| Water 💧 | 1 cup | For braising liquid |
| Vegetable Oil 🫒 | 2 tbsp | For searing pork |
| Calamansi Juice 🍋 | 2 tbsp | Or substitute lime juice |
The pork shoulder is non-negotiable here. Look for well-marbled cuts at your butcher or Asian markets, where they often pre-dice it for hot pot. The ratio of light to dark soy sauce is key—light for saltiness, dark for color and complexity. Star anise adds that signature Filipino depth, but skip it if you can’t find it. Freshly crushed peppercorns release more aroma than pre-ground.
Out of brown sugar? White sugar plus 1 tbsp molasses per cup works in a pinch. No calamansi? Lime or lemon juice with a pinch of orange zest gets close. For a quicker version, pork tenderloin cooks faster but lacks the fat for richness. The cornstarch slurry should be cold when added to avoid lumps. Sanoy or Silver Swan brands for soy sauce if you have access to a Filipino store.
This filling improves overnight as flavors meld. Stores in the fridge for 4-5 days or freezes beautifully for 3 months. Portion into freezer bags for easy siopao assembly later. Reheat gently with a splash of water to prevent drying out.
Why You’ll Love This Recipe
- One Pot Wonder: I just toss the pork shoulder with the soy sauces, brown sugar, and garlic, then let it simmer—no fancy steps.
- Sweet-Savory Magic: The combo of dark soy and brown sugar gives that deep, caramelized flavor that makes siopao filling irresistible.
- Siopao Party Ready: I make a big batch and freeze portions—perfect for sudden cravings or last-minute potlucks.
- Stretches the Budget: Pork shoulder is cheap, and this recipe turns it into something that tastes way more expensive.
Step-by-Step Instructions for Pork Asado
This method delivers perfectly tender meat with a rich, glossy sauce ideal for filling.
Step 1: Sear the Pork Shoulder Cubes
Heat the 2 tbsp vegetable oil in a large pot over medium-high heat. Add the 1.5 lb pork shoulder cubes in a single layer, working in batches if necessary to avoid crowding the pan. Sear for 5-7 minutes until all sides are deep golden brown.
This initial browning creates a flavorful fond that will deepen the sauce’s complexity. Don’t stir too frequently—allow each side to develop a proper crust before turning. The pork will finish cooking during the braising process.
Step 2: Build the Braising Liquid Base
Reduce heat to medium and add the 1 whole yellow onion and 6 cloves garlic cloves to the pot. Sauté for 2-3 minutes until the onion softens and becomes translucent. The aroma should be fragrant but not burnt.
Add the 0.5 cup light soy sauce, 2 tbsp dark soy sauce, 0.5 cup brown sugar, 2 pieces bay leaves, 1 whole star anise, and 1 tsp black peppercorns. Stir to dissolve the sugar and combine the ingredients thoroughly.
Step 3: Braise Until Fork-Tender
Pour in the 1 cup water and 2 tbsp calamansi juice, then bring the mixture to a gentle boil. Reduce heat to low, cover the pot, and let it simmer for 1.5 to 2 hours until the pork is fork-tender and the sauce has thickened slightly.
Check occasionally and stir to prevent sticking. The pork should easily break apart when pressed with a fork. The sauce will reduce and intensify in flavor as the pork cooks.
Step 4: Thicken and Finish the Sauce
Remove the pork from the pot and set aside. Skim any excess fat from the sauce surface if desired. In a small bowl, mix the 1 tbsp cornstarch with 2 tbsp of the braising liquid to create a slurry. Stir this into the pot and simmer for 3-5 minutes until the sauce thickens to a glossy, coat-the-back-of-a-spoon consistency.
Return the pork to the pot and toss to coat evenly in the thickened sauce. The final result should be sticky, sweet-savory meat perfect for steamed buns. Let it cool slightly before using as filling.
Pro Tips For Making Pork Asado Recipe For Siopao
- Simmer Low and Slow: I learned this the hard way—boiling the pork shoulder too hard makes it tough. Keep it at a gentle simmer for 1.5-2 hours until fork-tender.
- Balance the Soy Sauces: Use equal parts light and dark soy sauce for color and flavor. Skip the dark soy if you want a lighter filling, but the taste won’t be as rich.
- Don’t Skip the Fat: Trim excess fat, but leave some for flavor. After burning a batch without it, I finally figured out the fat keeps the meat moist during long cooking.
- Crush the Garlic: My grandmother swore by this, and she was right: crushing garlic cloves releases more flavor than mincing. Press them with the side of your knife before adding.
Perfect Pairings for This Dish
Beverage Pairings
Serve with iced coffee or Filipino tsokolate—the bitterness balances the sweetness beautifully. I brew mine extra strong with a splash of condensed milk for that classic Filipino touch. The warmth of the drink contrasts nicely with the soft buns. 🍫
Fresh Accompaniments
Pickled vegetables like atchara (green papaya salad) cut through the richness. I also love serving with sliced cucumber and tomatoes for freshness. These add crunch and acidity that complement the pork perfectly.
Extra Fillings
Add hard-boiled egg slices or pickled jalapeños to your siopao for extra texture. My grandmother always included a slice of Vienna sausage for a nostalgic touch. These small additions make each bite more interesting.
Dipping Sauces
Offer toyo’ calamansi (soy sauce with calamansi) on the side for dipping. Mix 3 tbsp soy sauce with 1 tbsp calamansi juice and a dash of chili flakes. This bright, tangy sauce enhances the pork’s savory notes. 🌶️
Dessert Pairing
End with leche flan or halaya (ube jam) for a traditional Filipino meal. The creamy, sweet desserts provide a satisfying finish. I often serve them chilled to contrast with the warm siopao.
Nutrition Facts
Frequently Asked Questions
Can I use a different cut of pork?
Pork shoulder works best for its fat content, but belly or butt are good substitutes. Avoid lean cuts like tenderloin—they dry out during long braising.
Why does my sauce turn out watery?
Simmer uncovered during the last 30 minutes to reduce. If still thin, mix 1 tsp cornstarch with 1 tbsp cold water and stir in.
How long does the filling keep?
Store in an airtight container in the fridge for 4-5 days. Freeze for up to 3 months for best quality.
Can I make this in a slow cooker?
Yes! Brown pork first, then cook on low for 6-8 hours. Add cornstarch slurry at the end to thicken.
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