For a protein-focused frozen-fish meal, start with plain fillets and compare protein per 100g on the same preparation basis; a premium-looking pack does not tell you how much protein the fish provides. Sainsbury’s lists 25.6g per 100g after oven cooking for its salmon fillets, while the retailer lists 10.5g per 100g after oven baking for Young’s battered pollock. Salmon offers declared omega-3 values, while the cited plain haddock and cod products have less fat per 100g than that salmon.
If you want fish without a coating, compare the prepared protein values on plain fillets before choosing a species or portion format. Sainsbury’s gives oven-cooked figures for its salmon and haddock; Tesco gives a cooked figure for its cod.
Plain salmon is worth considering if you want oily fish as well as protein. Sainsbury’s salmon panel declares omega-3 fatty acids, while its haddock and Tesco’s cod are white-fish alternatives with lower stated fat values per 100g than that salmon.
If you usually choose battered portions for convenience, check whether a plain frozen fillet fits your cooking routine. Young’s says its Natural Fish Fillets range can be cooked from frozen; directions still need checking on the particular pack.
Compare the nutrition basis first, then use the ingredients, fish format and cooking directions to decide which product fits the meal you plan to make.
| Priority | What to check | Your needs |
|---|---|---|
| Protein comparison | Read protein per 100g and whether it refers to fish as sold or after preparation. For a like-for-like cooked comparison, Sainsbury’s lists 25.6g for its oven-cooked salmon and 23.8g for its oven-cooked haddock per 100g. | I want to compare the protein in the food I will serve, rather than rely on the pack’s presentation. |
| Fish type | Check the species, then read fat and any declared omega-3 values alongside protein. Sainsbury’s oven-cooked salmon lists 3.4g fat per 100g; its oven-cooked haddock lists 0.5g. | Oily fish may matter to me, or I may prefer a white-fish portion with a lower stated fat value. |
| Coating and ingredients | Distinguish plain fillets from formed or battered fish. Birds Eye lists cod as 54% of its battered cod product; Sainsbury’s lists 50% Alaska pollock for Young’s battered fillets. | I like the convenience of coated fish, but I want to know how much of the portion is fish and how its nutrition compares. |
| Portions and preparation | Check net weight, any stated ice glaze, bone information and the exact pack’s storage and cooking directions. Read sourcing or certification wording for the particular product rather than assuming it applies across a brand. | I need portions that suit my recipe and instructions I can follow with the equipment and time available. |
Packaging language does not replace a nutrition comparison. A plain fillet and a coated portion can have quite different protein values per 100g.
Compare the stated protein figures on the same preparation basis, then read the ingredients and fish percentage.
An ice glaze or coating affects what the pack weight represents; it does not tell you the protein in a prepared serving.
Read the net-weight wording, fish percentage where stated, and nutrition panel before comparing pack formats.
Sainsbury’s lists 10.5g protein and 12.7g fat per 100g after oven baking for Young’s battered pollock. Its oven-cooked plain salmon and haddock products list 25.6g and 23.8g protein per 100g respectively.
Choose a coating because it suits the meal, not on the assumption that its nutrition matches a plain fillet.
Ingredients and cooking directions are especially important when a product includes batter, sauces or other additions.
Check the pack you buy for allergens, species, storage directions and the cooking method that applies to that product.
These examples describe particular products and ranges, not every frozen-fish product made or sold by each brand.
Its plain frozen salmon and haddock product pages give nutrition per 100g after oven cooking.
Its frozen cod product page describes skinless, boneless fillets in a protective ice glaze.
Its Wild Icelandic Cod Fillets page gives typical nutrition values per 100g and describes the product as raw fish that must be cooked.
Young’s offers both a Natural Fish Fillets range and battered fish products, which serve different cooking preferences.
Its battered cod is a coated option rather than a plain fish fillet.
These options include frozen chunks, slices and fillets for different cooked dishes, plus a salmon product labelled for sashimi. Compare each pack’s nutrition basis and preparation directions before choosing; a sashimi label alone is not a substitute for checking raw-use instructions.
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These chunks suit a cooked dish where you can check for bones when serving. The product information describes the cuts as bone-in and calls for thawing before preparation; check the pack’s nutrition basis before comparing its protein figure with cooked-per-100g values.
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If you are choosing salmon for a protein-focused meal, check the pack’s preparation basis before comparing its nutrition with cooked fillets. If you intend to eat it raw, confirm the product-specific handling and raw-use directions rather than relying on “sashimi” in the name.
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The sliced format may suit a cooked fish dish. Cook it thoroughly and check for small bones; before comparing its per-100g nutrition with other fish, check what preparation method “as prepared” refers to on the pack.
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The individually quick-frozen fillets offer a portion format to consider for cooked meals. Check the 800g net-weight wording and the pack’s nutrition preparation basis before comparing it with other frozen fillets.
Compare protein per 100g on the same preparation basis. Sainsbury’s lists 25.6g for its oven-cooked plain salmon and 23.8g for its oven-cooked plain haddock, compared with 10.5g for its oven-baked Young’s battered pollock. Those are specific products, not values for every plain or battered fish.
Choose according to the nutrition and species you want in the meal. Sainsbury’s oven-cooked salmon lists 25.6g protein, 3.4g fat and declared omega-3 fatty acids per 100g; its oven-cooked haddock lists 23.8g protein and 0.5g fat per 100g. Check the exact product label if those differences matter to your choice.
No. Check fish portions as you prepare and serve them, particularly when small bones would be a concern. The wording describes the product’s preparation, not a reason to stop taking care while eating.
No single instruction applies to every product: follow the directions on its pack. Young’s says its Natural Fish Fillets range can be cooked from frozen, while some other products call for thawing. Food Standards Agency research notes that cooking without thawing where thawing is required can take longer and may leave food insufficiently cooked.
Read the current pack’s ingredients and allergen information for the exact product. The Food Standards Agency identifies fish as an allergen, and a coating introduces ingredients beyond the fish itself; do not assume two fillets have the same ingredient list.