Equipment
Ingredients
Bass Packets
- 300 g sea bass fillets
- 15 g fresh ginger, peeled and finely julienned
- 20 g scallions, thinly sliced, white and green parts separated
- 10 ml toasted sesame oil
- 15 ml tamari
- 5 ml rice vinegar
Nutrition (per serving)
Nutrition is estimated per serving. Nutrients without complete source data are omitted.
Full nutrition
- Calories
- 204 kcal
- Protein
- 29 g
- Carbohydrates
- 3 g
- Fat
- 8 g
- Fiber
- 0 g
- Sugar
- 1 g
- Sodium
- 525 mg
- Saturated Fat
- 2 g
- Monounsaturated Fat
- 3 g
- Polyunsaturated Fat
- 3 g
- Cholesterol
- 62 mg
- Potassium
- 459 mg
- Calcium
- 25 mg
- Iron
- 0.8 mg
- Magnesium
- 70 mg
- Phosphorus
- 307 mg
- Zinc
- 0.7 mg
- Vitamin A
- 74 mcg
- Vitamin C
- 2 mg
- Vitamin D
- 8.4 mcg
- Vitamin E
- 1.4 mg
- Vitamin K
- 22 mcg
- Vitamin B6
- 0.6 mg
- Vitamin B12
- 0.5 mcg
- Thiamin
- 0.18 mg
- Riboflavin
- 0.20 mg
- Niacin
- 2.8 mg
- Folate
- 16 mcg
- Water
- 137 g
Sources: Aggregated Public Data, USDA FoodData Central
Method
Preheat the oven to 200 C (400 F). Prepare two large sheets of aluminum foil, each about 30 centimeters long.
In a small mixing bowl, combine the toasted sesame oil, tamari, and rice vinegar.
Place one sea bass fillet in the center of each aluminum foil sheet. Top the fillets evenly with the julienned fresh ginger and the white parts of the sliced scallions.
Drizzle the sesame oil and tamari mixture evenly over both fish fillets.
Fold the long sides of the aluminum foil over the fish, crimping the edges tightly to create a sealed packet. Ensure there is a little empty space inside the packet for steam to circulate.
Place the sealed foil packets on a baking sheet and bake for 12 to 15 minutes. The internal temperature of the fish must reach 63 C (145 F) for safe consumption.
Carefully open the foil packets to release the hot steam, keeping your face away to prevent burns. Garnish the fish with the reserved green scallion slices before serving.
Chef's Notes
- The en papillote (in paper or foil) cooking method is highly forgiving, as the trapped steam gently cooks the protein and prevents it from drying out.
- To ensure even cooking, check the shape of your sea bass. If one end is significantly thinner than the other, gently fold the thin tail end underneath itself so the entire piece has a uniform thickness.
- Be extremely careful when opening the baked packets. The trapped steam is highly pressurized and can cause severe burns if opened directly toward your hands or face.
- Tamari is used here to keep the recipe strictly gluten-free, but it also provides a richer, less salty, and more complex flavor profile than standard wheat-brewed soy sauce.
Storage
Refrigerator: 2 days — Store cooked fish in an airtight container.
Freezer: 1 month — Freeze cooked fillets wrapped tightly in foil and placed in a freezer-safe bag.
Reheating: Reheat gently in the microwave at 50 percent power or in a 175 C oven until warmed through to prevent overcooking.
Troubleshooting
Fish is dry or rubbery
Cause: The fish was baked for too long, or the foil packet was not sealed tightly enough, allowing cooking steam to escape.
Fix: Cannot be fixed
Prevention: Crimp the foil edges multiple times to ensure a tight seal and check the internal temperature right at the 12-minute mark.
Sauce tastes diluted or weak
Cause: The fish released excess water during cooking, watering down the tamari and sesame oil.
Fix: Drizzle with a tiny extra splash of tamari and sesame oil right before serving.
Prevention: Thoroughly pat the sea bass fillets dry with a paper towel before assembling the packets.
Cultural Context
Steaming fish with ginger, scallions, and soy sauce is a cornerstone technique in Chinese culinary traditions, designed to highlight the pristine freshness of the seafood. The ginger acts to neutralize any muddy flavors, while the scallions provide a bright, aromatic contrast. Baking the fish in foil packets adapts this classic methodology into a convenient, modern fusion approach.










