Name: Seasonal-Market Northern Fish Ceviche
Prep time: 17 min
Cook time: 20 min
Total time: 37 min
Cuisine: Peruvian cuisine
Ingredients: 400 g camote sweet potato, peeled and cut into medium chunks; 1400 ml water, for simmering the camote, discarded after cooking; 600 g seasonal firm white fish fillet, approved for raw service, cleaned and chilled; 155 ml fresh lime juice, strained; 175 g red onion, thinly sliced; 12 g ají limo, seeded and chopped; 14 g fresh coriander leaves, chopped; 3 g fine salt, weighed

Tumbes-Inspired Seasonal Fish Ceviche with Sweet Potato

Yield 4 plates

Prep 17 minutes

Cook 20 minutes

Passive 0 minutes

Total 37 minutes

Ingredients ↓

Overview

Tumbes-Inspired Seasonal Fish Ceviche with Sweet Potato

Tumbes is associated with a range of marine ceviches rather than a single unchanging fish. The seasonal description on this plate refers to choosing a suitable fish from the supplier’s current responsible catch or stock. It does not imply that any specific fish species is in season in a named month, and protected or restricted species must never be used.

This version avoids a mixed seafood bowl and keeps the dressing spare: firm fish, red onion, lime, coriander and ají limo. Tender camote is served beside it, and the cooked sweet potato should be finished before the raw fish is taken from refrigeration. Nothing needs to be left in lime juice while the accompaniment cooks.

Raw fish demands planning more than elaborate knife work. Confirm the fish was handled and, where appropriate, previously frozen for raw service. Fish sold as merely fresh and attractive is not automatically safe raw. Once the dressing touches the fish, the aim is immediate service, not a longer marination.

Ingredients

Side

400 g camote sweet potato, peeled and cut into medium chunks
1400 ml water, for simmering the camote, discarded after cooking

Ceviche

600 g seasonal firm white fish fillet, approved for raw service, cleaned and chilled
155 ml fresh lime juice, strained
175 g red onion, thinly sliced
12 g ají limo, seeded and chopped
14 g fresh coriander leaves, chopped
3 g fine salt, weighed

Method

Cook the sweet potato.Simmer 400 g peeled camote pieces in 1400 ml boiling water for 20 minutes in a covered saucepan; drain and cool on a clean plate while you make the dressing. A skewer moves through the largest piece easily. Keep cooked side dishes away from raw fish.
Build the fresh dressing.Slice 175 g red onion, chop 12 g ají limo and 14 g coriander and strain 155 ml newly squeezed lime juice into a chilled jug. The onion is fine and the chilli evenly minced.
Cut the selected fish.Verify the supplier’s raw-service handling for the 600 g fillet and cut it into 2 cm pieces with clean separate tools; return it to refrigeration at 4 °C or colder while the remaining garnishes are arranged. The pieces are firm, cool and free of visible bones. Species choice does not override raw-fish safety.
Season and mix.Put the fish in a cold nonreactive bowl; add 3 g salt, ají limo and 155 ml lime juice, toss gently for 1 minute, then fold through the red onion and coriander. Lime coats every cube and onion stays crisp. Citrus does not cook away pathogens.
Plate without delay.Share fish and dressing among four chilled plates and serve each with the cooled sweet potato. The sweet potato is tender and the raw fish remains cold.

Practical

Practical guidance

Prepare the cooked accompaniments before handling the fish and chill them promptly. Keep the raw seafood separately refrigerated at 4 °C or colder until the final dressing. Mix and eat the ceviche immediately; do not prepare a large bowl hours ahead or depend on an overnight citrus soak. Do not store leftovers of the assembled raw-fish ceviche for another meal. A fully cooked fish alternative reaches 63 °C at its centre and is a different texture and presentation. For this version, the serving finish is seasonal-market northern fish ceviche; keep every accompaniment separate until plating.

Troubleshooting

Fish turns soft or breaks apart: The fish was stirred too forcefully or sat in lime juice; cut firm cubes, fold briefly and serve at once. The dressing tastes bitter: Lime peel or pith was pressed too hard; squeeze the fruit lightly and strain the juice. The ceviche feels warm: Fish or garnishes were left on the bench; chill components separately to 4 °C or colder before mixing.

Nutrition per 1 of 4 portions

Serving size1 plate with 100 g camote
Calories250 kcal
Carbohydrate23 g
Protein32 g
Fat2 g
Fibre4 g
Sodium390 mg

Allergens and food safety

Contains fish. Ceviche contains uncooked fish: citrus juice does not make raw seafood pathogen-free. Buy from a reputable supplier able to confirm appropriate handling for raw service and previously frozen fish for parasite control, keep it at 4 °C or colder, prevent cross-contact and eat immediately. Freezing does not eliminate every microbial risk. Pregnant people, young children, older adults and immunocompromised people should avoid the raw-fish dish; cooking fish to 63 °C is the safer option, but it produces a different dish. For this particular plate, prepare the accompanying ingredients completely before touching the raw fish: seasonal-market northern fish ceviche.

Closing

Result: Use a fish sold for raw consumption and caught or farmed within applicable rules; do not substitute an unknown fish merely to satisfy the word seasonal.
Key control: Keep suitable raw fish below 4 °C and serve as soon as dressed.