Pork Belly with Fried Onions in Tomato and Teriyaki Sauce 2026

Ellen Lindercamp
Pork Belly with Fried Onions in Tomato and Teriyaki Sauce - Walfosbrand.com
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Pork belly with fried onions in tomato and teriyaki sauce

Pork belly is one of those cuts that, when treated with respect, transforms into something sublime. This recipe marries the rich, unctuous meat with deeply caramelized fried onions, a savory tomato base, and the umami punch of teriyaki and soy sauce. The result is a dish that is both comforting and sophisticated, perfect for a weekday indulgence or a dinner party centerpiece. The technique of double-frying the onions and then simmering them in the sauce creates layers of flavor that will surprise and delight. This is not just a recipe; it is an exploration of texture and taste. Let us guide you through each step, ensuring that every component reaches its full potential.

About This Dish

This recipe draws inspiration from the Japanese technique of caramelizing onions in oil until they are deeply browned and almost crispy, then using that same fragrant oil to sear the pork. The combination of tomato sauce, teriyaki, and soy creates a complex glaze that clings to the meat. The dish is a beautiful example of how simple ingredients, when handled with care, can produce something greater than the sum of their parts. It is a celebration of contrast: the soft, yielding pork belly against the crunchy fried onions, the sweet tomato against the salty soy. For those who love exploring international flavors in their home kitchen, this dish offers a rewarding journey. If you are looking to expand your culinary repertoire, consider exploring the delicate flavors of a Catalan sponge cake for a sweet finish.



Ingredients

  • 4 medium onions (about 400 g)
  • 6 cloves garlic
  • 150 g tomato sauce
  • 50 g teriyaki sauce
  • 50 g soy sauce
  • 150 ml vegetable oil
  • Salt
  • Freshly ground black pepper
  • 500 g pork belly (skinless, cut into 2 cm cubes)
  • Rice, noodles, or pasta for serving

The quality of your sauces matters. Opt for a rich tomato sauce and authentic teriyaki. For the pork belly, look for a piece with a good balance of meat and fat. Using a high-quality planetary mixer might not be needed here, but it is essential for other baking adventures.


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Step-by-Step Instructions

Step 1: Prepare the Fried Onions and Garlic

Peel the onions and cut them into quarter rings. Peel the garlic and slice thinly into rounds. Heat the vegetable oil in a small saucepan to 180°C (350°F). Carefully add the onions and garlic. Fry until they turn a deep golden brown, almost mahogany. This process concentrates their sweetness. Once done, drain them in a sieve, reserving the oil. The fragrant oil will be used later to sear the pork. Do not discard it! This is a crucial flavor-building step.

Onions and garlic frying in oil

Step 2: Sear the Pork Belly

Cut the pork belly into 2 cm cubes. Heat a large non-stick skillet over high heat. There is no need to add extra oil; the pork belly will render its own fat. Sear the cubes on all sides until they develop a deep, crisp crust. This should take about 5–7 minutes. The Maillard reaction here is key to the dish’s overall flavor. Work in batches if necessary to avoid overcrowding the pan. A good oil sprayer can help if you find the pan too dry, but typically the rendered fat is enough.

Pork belly cubes searing in a pan

Step 3: Simmer in the Sauce

In a small bowl, mix the tomato sauce, soy sauce, teriyaki sauce, and 150 ml cold water. Pour this mixture into the skillet with the seared pork belly. Bring to a boil, then reduce to a medium heat. Season with salt and pepper. Add most of the fried onions and garlic, reserving a small handful for garnish. Stir well. Let the sauce simmer uncovered, stirring occasionally, for 15–20 minutes. The sauce will thicken and coat the pork beautifully. The alcohol in the teriyaki cooks off, leaving behind depth. For those interested in the science of sauce reduction, a microwave pressure cooker is a great tool for accelerating similar processes, but for this dish, the stovetop method is ideal.

Pork belly simmering in tomato-teriyaki sauce

Tips for Perfection

  • Don’t rush the onions: They need to be properly caramelized to achieve that sweet, nutty flavor. If they burn, they become bitter. Keep the oil temperature steady at 180°C.
  • Reserve the oil: That infused oil is liquid gold. Use it for stir-frying vegetables or drizzling over rice for extra flavor.
  • Cut the pork belly evenly: Uniform cubes ensure even cooking. A sharp knife makes all the difference.
  • Adjust seasoning carefully: Soy and teriyaki are already salty. Taste before adding extra salt.
  • Serving suggestion: Serve over steamed jasmine rice to soak up the sauce, or with a bed of ramen noodles. If you enjoy noodle dishes, you might also appreciate learning about best lava flavors to complement your meal.

Variations to Explore

  • Spicy twist: Add a tablespoon of gochujang or sriracha to the sauce for heat.
  • Herb infusion: Toss in a sprig of rosemary or thyme during the simmering step.
  • Veggie addition: Add sliced bell peppers or mushrooms along with the pork for extra volume.
  • Gluten-free option: Use tamari instead of soy sauce and check that your teriyaki is gluten-free.
  • Meat alternative: Substitute pork belly with chicken thighs or extra-firm tofu (pressed and seared). For tofu, a non-toxic immersion blender is perfect for pureeing sauces.

FAQ

Can I make this dish ahead of time?

Yes. The flavors meld even more if you let it sit overnight in the refrigerator. Reheat gently on the stovetop, adding a splash of water if the sauce is too thick.


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What if I don’t have teriyaki sauce?

You can make a quick substitute by mixing equal parts soy sauce and honey or brown sugar, with a dash of ginger and garlic powder. Alternatively, see best store-bought au jus for prime rib for another savory sauce option.

Can I use a different cut of pork?

Pork shoulder or loin can work, but the belly’s fat content is what makes it so tender and flavorful. If using leaner cuts, cook for less time to avoid drying out.

How do I know when the onions are properly fried?

They should be deep golden brown but not black. The texture will be slightly crisp yet pliable. Drain immediately to stop the cooking process. For more on deep-frying techniques, a non-toxic air fryer can achieve similar results with less oil.

What can I serve with this dish besides rice or noodles?

Steamed bok choy, a simple cucumber salad, or crusty bread are all excellent options. If you are in the mood for a complete meal, try pairing with a sweet wine with high alcohol content to balance the savory richness.


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Why did my sauce become too salty?

Soy and teriyaki vary in saltiness. Always start with less salt and adjust toward the end. If it is too salty, add a bit of water or a squeeze of lemon to balance.

Can I freeze the leftovers?

Absolutely. Store in an airtight container for up to 3 months. Thaw in the refrigerator and reheat gently. The fried onions will soften, but the flavor remains excellent.

Final Thoughts

This pork belly with fried onions in tomato-teriyaki sauce is a dish that rewards patience and attention to detail. The sweet, crunchy onions, the tender meat, and the glossy sauce create a harmony that feels both familiar and exotic. Whether you are cooking for yourself or for guests, this recipe is sure to impress. For more culinary inspiration, explore our collection of best espresso machines under $2000 to perfect your coffee pairing, or check out best coffee maker for Airbnb if you are a host. The journey of flavor never ends.


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Author

Ellen Lindercamp

As a former restaurant owner switched reporter, Ellen brings a unique perspective to Walfos. With decades of experience, her articles on cooking and homemaking are both informative and engaging, reflecting her deep knowledge and love for all things culinary.



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