Pollock, beetroot and potato sheet casserole with lemony crème fraîche

We introduce you to the fantastic sheet cake with pollock, beetroot and potatoes with spicy crème fraîche! This fantastic recipe presents a delicious whitefish option that not only brings sustainability to your plate, but is also available at a more affordable price than cod. Combine the succulent fish with a delicious fresh lemon dipping sauce for a burst of vibrant flavors. The dish is complemented by a mix of root vegetables that are roasted to perfection along with the fish, creating a healthy and filling meal. Expand your dining experience with this easy-to-make and incredibly delicious sheet cake!


  • 4 small potatoes, sliced
  • 1 tbsp olive oil
  • 2 teaspoons fennel seeds, lightly crushed
  • 4 beets, peeled and cut into wedges
  • 4 pollack fillets
  • Zest of half a lemon
  • 4 tbsp crème fraîche
  • small handful of basil, roughly chopped

Preparation steps

1. Preheat the oven to 200°C/180°C fan/gas 6.
2. Place the potatoes in a large baking tray.
3. Mix the potatoes with olive oil and fennel seeds.
4. Season the potatoes with salt and pepper.
5. Arrange the potatoes in a single layer on the baking sheet.
6. Bake the potatoes for 20 minutes until soft and crispy.
7. Turn the potatoes over.
8. Place the beets on the baking tray.
9. Season the beetroot with salt and pepper.
10. Place the baking tray back in the oven for 15 minutes.
11. Place the fish in the center of the baking tray.
12. Season the fish well with salt and pepper.
13. Rub some oil from the tray over the fish.
14. Place the baking tray back in the oven for 10 minutes.
15. Sprinkle the lemon peel over the crème fraîche.
16. Grind some black pepper over the lemony crème fraîche.
17. To serve, sprinkle basil over the fish.
18. Pour some of the lemony crème fraîche onto the fish.

Nutritional Information

336 12g 6g 31g 4g 3g 26g 0.4g

Equipment and tools

  • Knife
  • cutting board
  • sheet
  • Oven

Allergen information

This recipe contains the following allergens:

  • Dairy products (crème fraîche)

Storage and leftovers

If you have leftovers, store them in an airtight container in the refrigerator. They last up to 2 days.

Health benefits of pollock, beetroot and potato traybake with lemony crème fraîche

1. Pollock

Pollock is a highly nutritious fish that offers numerous health benefits. It is an excellent source of high-quality protein, which is essential for building and repairing tissue in the body. Additionally, pollock is low in saturated fat and is a good source of omega-3 fatty acids, which can help reduce inflammation and promote heart health. Omega-3 fatty acids are also associated with improved brain function and a reduced risk of chronic diseases such as heart disease and arthritis.

2. Beetroot

Beetroot is a vibrant and nutritious vegetable rich in vitamins, minerals and antioxidants. It is rich in fiber, which supports a healthy digestive system and promotes regular bowel movements. Beetroot is also an excellent source of folic acid, vitamin C and potassium. Folic acid is essential for cell growth and metabolism, vitamin C boosts the immune system and collagen production, while potassium helps maintain healthy blood pressure and supports cardiovascular health. In addition, the betalain pigments contained in beetroot are said to have anti-inflammatory and antioxidant properties.

3. Potatoes

Potatoes are often misunderstood and labeled as unhealthy due to their high carbohydrate content. However, when consumed in moderation and prepared healthily, they can provide several health benefits. Potatoes are an excellent source of vitamin C, which plays a crucial role in supporting the immune system, promoting collagen synthesis and protecting against free radicals. They are also rich in fiber, potassium and vitamin B6. Fiber supports digestion and promotes satiety, potassium helps maintain healthy blood pressure, and vitamin B6 supports brain development and function.

4. Lemon crème fraîche

Lemon crème fraîche adds a delicious tang and creaminess to the dish while providing some health benefits. Crème fraîche is a fermented milk product that contains healthy bacteria called probiotics. These beneficial bacteria support a healthy gut microbiome, improving digestion and improving nutrient absorption. Additionally, using crème fraîche instead of heavy cream or sour cream can be a healthier alternative because it contains less fat and calories.

5. Basil

Basil not only adds a touch of fresh flavor to the dish but also offers several health benefits. It is a rich source of vitamins A, K and C as well as minerals such as calcium, iron and magnesium. Vitamin K is essential for blood clotting and bone health, while vitamin A supports vision and immune function. Basil also contains antioxidants such as flavonoids and essential oils, which protect the body from cell damage caused by free radicals.

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