Easy cod traybake recipe, dinner is ready in a flash

For this traybake, you can use any white fish fillets you like.

By The GH Kitchen TeamUpdated: 02 September 2025

This traybake recipe is so simple it takes just five minutes to prepare and then just 40 minutes in the oven. Perfect for a midweek meal.

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Yields:

Prep Time:

5 mins

Cook Time:

40 mins

Total Time:

45 mins

Cal/Serv:

298

Ingredients

750 g
baby new potatoes
Few sprigs fresh oregano, leaves picked and roughly chopped
300 g
(11oz) cherry tomatoes on the vine
1
lemon, cut into wedges
1 Tbsp.
olive oil
4
cod fillets

Directions

1. Step 1
  Preheat oven to 200°C (180°C fan) mark 6. Toss potatoes, oil and most of the oregano in a large roasting tin. Season well. Roast for 30min, turning occasionally, until golden and tender.
2. Step 2
  Add the fish and tomatoes on the vine, then squeeze over some of the lemon wedges and tuck in around the potatoes. Season the cod. Return to oven for 10min, or until fish is opaque and flakes when pressed.

GH TIP:

We've used cod in this recipe but you could use any white fish fillet.

If you fancy mixing things up, you can add roasted peppers from a jar in the final 10min of cooking.

If you're a fan of this easy traybake - we have plenty more to try.

Per serving:

Calories: 298
Fibre: 4 g
Total carbs: 31 g
Sugars: 5 g
Total fat: 5 g
Saturated fat: 1 g
Protein: 31 g

The best tray-bake trays as recommended by the GHI

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The GH Kitchen Team

A crack team of highly skilled food content producers, the GH Kitchen Team are Good Housekeeping’s resident recipe developers and all-round food obsessives. GH Kitchen Director Sarah Akhurst is our resident hosting pro and loves nothing more than putting on a foodie feast for friends. Senior Cookery Writer Alice Shields is a former pastry chef and baking fanatic who loves making bread and would have peanut butter with everything if she could. Lover of all things savoury, Senior Cookery Writer Grace Evans can be found eating nocellara olives at every opportunity, and will take the cheeseboard over dessert any time. With a wealth of professional kitchen experience between them, they’re dedicated to ensuring every Good Housekeeping recipe is the best it can be, so you can trust they’ll work every single time.

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