Soy-Marinated Tilapia Sandwich Recipe

Sandwich soy-marinated tilapia or fish in fluffy bao buns!

This sandwich uses fluffy bao to hold tasty soy-marinated fish or tilapia. Pair this sandwich with wasabi mayo for a smooth but spicy kick. To make this sandwich prep easier, purchase tilapia fillet from the grocery. You won’t have to worry about any fish bones in your sandwich. Pack it up for baon! 

Soy-Marinated Tilapia Sandwich Recipe

Zee Castro-Talampas
Sandwich soy-marinated tilapia or fish in fluffy bao buns!
Prep Time 15 minutes
Cook Time 15 minutes
Resting Time 30 minutes
Total Time 30 minutes
Course Sandwiches
Cuisine Asian
Servings 4


Soy-Marinated Tilapia Sandwich Ingredients

  • 2 tablespoons mirin
  • 2 tablespoons Soy Sauce
  • 3 tablespoons lemon juice divided
  • 2 teaspoons brown sugar or honey
  • 2 150-gram fillets tilapia
  • Salt to taste
  • ground black pepper to taste
  • 1 400-gram pack cuapao or mantou buns (available at the freezer section of supermarkets and Chinese specialty shops)
  • 1 tablespoon cane vinegar
  • 1 teaspoon sugar
  • 1 medium Cucumber sliced thinly
  • 2 tablespoons mayonnaise
  • 1 teaspoon wasabi paste store-bought, or to taste
  • 1 tablespoon sesame oil
  • 2 cloves Garlic
  • 4 lettuce leaves
  • handful of cilantro leaves


  • Combine mirin, soy sauce, 2 tablespoons lemon juice, and sugar or honey in a bowl. Marinate tilapia for a few minutes. Lightly season with salt and ground black pepper.
  • Steam mantou according to package directions.
  • Combine vinegar, sugar, and ¼ teaspoon pepper in a bowl. Add cucumber. Set aside.
  • Combine mayonnaise, wasabi, and remaining lemon juice in a bowl. Season to taste with salt.
  • Heat sesame oil in a pan over medium heat. Sauté garlic until fragrant. Add fish and marinade to pan and cook until fish is opaque and flakes easily, about 3 minutes per side. Remove fish from pan and set aside.
  • Cook liquid in pan until reduced to a thin syrup. Glaze fish with syrup.
  • To assemble, fill mantou buns with pickled cucumber, tilapia, lettuce, and cilantro. Top with wasabi mayo. Serve with more wasabi mayo on the side.
Keyword tilapia recipe, tilapia fillet
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