McDonald’s Fish Fillet Burger, officially known as the Filet-O-Fish, has been a staple on the menu for decades.
Originally created to cater to Catholic customers who avoided meat on Fridays, it has since gained popularity worldwide as a go-to seafood option for fast-food lovers.
In the UK, this burger is made with 100% MSC-certified Alaskan Pollock, coated in crispy breadcrumbs, topped with tartare sauce and a slice of cheddar cheese, and served in a soft, steamed bun.
But what makes it stand out? How does it compare nutritionally to other fast-food burgers? And is it a healthy option?
This article will provide a detailed breakdown of the McDonald’s Fish Fillet Burger in the UK, including its ingredients, nutritional content, price, availability, and how it compares to competitors.
What Is the McDonald’s Fish Fillet Burger?
The McDonald’s Filet-O-Fish was first introduced in 1962 by a franchise owner in the United States. The aim was to offer an alternative to beef burgers for customers who followed religious dietary restrictions.
Over the years, it became a widely loved menu item across McDonald’s outlets worldwide.
How Is It Different in the UK?
- The UK version of the Filet-O-Fish is made with 100% MSC-certified Alaskan Pollock, ensuring sustainable fishing practices.
- The fish fillet is coated in crispy breadcrumbs and is deep-fried to a golden brown.
- Unlike many other fish burgers on the market, the Filet-O-Fish is served with a soft, steamed bun, rather than a toasted or grilled one.
- The burger includes tartare sauce, cheddar cheese, and a single fish fillet.
The Filet-O-Fish is particularly popular among those looking for a lighter alternative to beef or chicken burgers while still enjoying the convenience of fast food.
Ingredients in the McDonald’s Fish Fillet Burger
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The McDonald’s Fish Fillet Burger (Filet-O-Fish) is made up of a few simple but key ingredients. Each component contributes to the overall taste, texture, and nutritional profile of the burger.
Main Components & Calories
| Ingredient | Energy (kJ) | Energy (kcal) |
| Fish Fillet Portion | 476 kJ | 113 kcal |
| Tartare Sauce | 163 kJ | 40 kcal |
| Cheddar Cheese Slice | 98 kJ | 24 kcal |
| Regular Bun | 587 kJ | 139 kcal |
| Total | 1324 kJ | 316 kcal |
Sustainability Commitment
One of the most notable aspects of the McDonald’s Fish Fillet Burger in the UK is its commitment to sustainability.
The fish used in this burger is certified by the Marine Stewardship Council (MSC), which means it comes from responsibly managed fisheries that do not contribute to overfishing.
By sourcing 100% MSC-certified fish, McDonald’s ensures that customers can enjoy their favourite fish burger without harming marine ecosystems.
Nutritional Information: Is It a Healthy Choice?
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The McDonald’s Fish Fillet Burger is a moderately healthy fast-food option, particularly when compared to some of the heavier beef-based burgers.
Below is the full nutritional breakdown:
| Nutrient | Per Burger | % Reference Intake (RI)* |
| Energy (kJ) | 1324 kJ | 16% RI |
| Energy (kcal) | 316 kcal | 16% RI |
| Fat (g) | 13g | 18% RI |
| Saturated Fat (g) | 2.1g | 11% RI |
| Carbohydrates (g) | 36g | 14% RI |
| Sugars (g) | 5.4g | 6% RI |
| Fibre (g) | 2.2g | – |
| Protein (g) | 14g | 29% RI |
| Salt (g) | 1.4g | 23% RI |
Health Considerations
- The Filet-O-Fish is lower in calories than most McDonald’s beef burgers, such as the Big Mac (493 kcal).
- With 13 grams of fat, it is moderate in fat content, making it a more balanced choice for those watching their diet.
- The sodium content is high (1.4g per burger, 23% of the daily intake), which may be a concern for individuals monitoring their salt intake.
- The burger is a good source of protein (14g), making it a satisfying option for those looking to include more protein in their diet.
Taste & Texture: What Does It Taste Like?
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The McDonald’s Fish Fillet Burger is known for its mild, yet satisfying taste.
Here’s what makes it unique:
- The breadcrumb-coated fish fillet provides a crispy outer layer, while the inside remains soft and flaky.
- The steamed bun is light and slightly sweet, offering a contrast to the crunchy texture of the fish.
- The tartare sauce is creamy with a tangy kick, enhancing the flavour of the fish.
- The cheddar cheese slice adds a mild creaminess, though some customers find it unnecessary.
Pricing & Availability in the UK
The McDonald’s Fish Fillet Burger is available across all McDonald’s locations in the UK.
Here is a general price breakdown:
| Menu Item | Price (Approximate) |
| Filet-O-Fish (Single) | £3.49 – £3.99 |
| Filet-O-Fish Meal (with fries & drink) | £5.49 – £5.99 |
| Double Filet-O-Fish | £4.99 – £5.49 |
Prices may vary depending on location and ongoing promotions.
McDonald’s Fish Fillet vs Other Fast-Food Fish Burgers
| Fast-Food Chain | Fish Burger Option | Calories | Price (Approx.) |
| McDonald’s | Filet-O-Fish | 316 kcal | £3.49 – £3.99 |
| Burger King | Fish Royale | 400 kcal | £4.29 – £4.79 |
| KFC | Fish Burger (Limited) | 370 kcal | £3.99 – £4.49 |
| Greggs | Fish Bap (Limited) | 350 kcal | £3.50 – £4.00 |
Conclusion
The McDonald’s Fish Fillet Burger (Filet-O-Fish) remains a popular choice for seafood lovers and those seeking an alternative to beef or chicken.
With its crispy fish fillet, soft steamed bun, and creamy tartare sauce, it offers a lighter fast-food option without compromising on flavour.
For individuals looking for a sustainable, lower-calorie fast-food meal, the Filet-O-Fish is an excellent option, provided that its sodium content is taken into account.
