Fish Wrapped in Banana Leaves with Chilli Rajas and Crema
Peer reviewed by UK recipe editorsAuthored by UK recipe editorsOriginally published 17 Jan 2026
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This elegant fish wrapped in banana leaves with chilli rajas and crema is a sophisticated take on a classic Mexican preparation. By steaming white fish fillets such as snapper or halibut inside aromatic leaves, the moisture and delicate flavours are perfectly preserved. The dish is defined by 'rajas'—strips of roasted poblano chillies and sautéed onions—which provide a smoky depth of flavour without excessive heat. Finished with a touch of silky crema, it offers a beautiful balance of savoury textures and vibrant colours.
As a diabetes-friendly main course, this recipe is naturally low in carbohydrates and high in lean protein. The use of heart-healthy safflower oil and fresh vegetables makes it a nutritious choice for a midweek dinner or a weekend dinner party. Serving the fish inside the tied banana leaf packets creates a wonderful sense of occasion, allowing guests to unwrap their own fragrant, home-cooked parcel at the table. Serve with a simple side of lime-dressed greens for a complete, wholesome meal.
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Ingredients for Fish Wrapped in Banana Leaves with Chilli Rajas and Crema
675g fresh poblano chillies
675g white onions, halved lengthwise, then sliced lengthwise 1/4 inch thick
3/4 teaspoons salt
45ml safflower oil
450g banana leaves*, thawed if frozen
8 (170g) pieces skinless snapper or halibut fillet
240ml crema (thick Mexican cream) or crème fraîche plus additional for drizzling if desired
Garnish: fresh coriander leaves
How to make Fish Wrapped in Banana Leaves with Chilli Rajas and Crema
Roast chillies on racks of gas burners over high heat, turning with tongs, until skins are blackened, 10 to 12 minutes. (Or grill chillies on a grill pan about 5 inches from heat, turning occasionally, about 15 minutes.) Transfer to a large bowl and cover tightly with plastic wrap, then let stand 20 minutes.
When cool enough to handle, peel chillies, discarding stems and seeds (do not rinse under running water as this washes away flavour), and cut lengthwise into 1/4-inch-thick strips.
Cook onions with salt in oil in a 12-inch heavy skillet over moderate heat, stirring, until onions are tender but still have texture, about 10 minutes. Stir in chillies and cook, stirring, 1 minute, then season with salt.
Preheat oven to 232°C.
Unfold banana leaves. Cut off (and reserve) tough centre rib that runs along bottom edge of each leaf with kitchen shears. Cut ribs into 12- to 14-inch strips for tying packets. Gently cut leaves into 8 (12-inch) squares, being careful not to split them.
Slowly run a banana-leaf square across flame of a gas burner, just enough to "melt" outer coating on leaf (it will become quite shiny; if you have an electric stove, hold leaf slightly above burner on moderately high). Place a piece of fish in centre of square and season with salt, then top with 120ml rajas and 2 tablespoons crema. Fold 2 sides of banana leaf over fish to enclose it, then fold in opposite sides to form a packet. Tie packet with a strip of banana-leaf rib and transfer to a large baking sheet. Assemble 7 more packets in same manner.
Bake fish packets in middle of oven 20 minutes, then transfer each to a large plate or shallow soup bowl. Cut ties of packets and open them (leaves are not edible). Drizzle fish with additional crema.
Available at Latino and Asian markets.
Disclaimer
While every effort has been made to ensure the information is accurate and up to date, individual needs may vary and dietary requirements can differ based on personal health conditions. Always check food labels and allergen information before preparing or consuming any recipe. If you have specific health concerns, allergies, intolerances, or are following a medically prescribed diet, seek advice from your GP, pharmacist, or a registered dietitian before making significant changes to your diet or lifestyle.
Article history
The information on this page is peer reviewed by qualified clinicians.
17 Jan 2026 | Originally published
Authored by:
UK recipe editors
Peer reviewed by
UK recipe editors

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