Roasted Cod with Shiitakes in Miso Broth
Peer reviewed by UK recipe editorsAuthored by UK recipe editorsOriginally published 17 Jan 2026
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This roasted cod with shiitakes in miso broth is a sophisticated yet simple seafood dish that highlights clean flavours. By roasting the white fish and mushrooms at a high temperature, the cod remains succulent while the shiitakes develop an earthy, concentrated depth that perfectly complements the savoury notes of the red miso. It is a wonderful way to enjoy fresh hake or cod, offering a delicate balance of textures between the flaky fillet and the crisped mushroom caps.
As a diabetes-friendly option, this recipe is naturally low in carbohydrates and high in lean protein, making it an excellent choice for a nutritious midweek supper. The use of shop-bought miso sachets keeps the preparation time minimal without compromising on the authentic umami flavour. Serve this light meal in warmed bowls to keep the broth at its best.
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Ingredients for Roasted Cod with Shiitakes in Miso Broth
4 (170g) pieces Pacific cod or hake fillet (about 1 inch thick)
40ml vegetable oil, divided
110g sliced shiitake mushroom caps
2 (15g) single-serve packages dehydrated red miso soup
1 spring onion, thinly sliced
How to make Roasted Cod with Shiitakes in Miso Broth
Preheat oven to 232°C with rack in middle.
Pat fish dry in a small shallow baking pan and drizzle with 1/2 tablespoons oil, then sprinkle with 1/2 teaspoons salt and 1/4 teaspoons pepper.
Toss mushrooms with remaining 2 tablespoons oil and 1/4 teaspoons each of salt and pepper, then spread in another small shallow baking pan.
Roast fish and mushrooms, stirring mushrooms once or twice, until fish is just cooked through and mushrooms are crisp, about 10 minutes.
Meanwhile, prepare soup according to package instructions.
Divide soup, mushrooms, and fish among 4 bowls and top with spring onion.
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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