Dinner recipe

Lemon Salmon Potato Traybake with Peas and Parsley

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A simple traybake with salmon fillets, baby potatoes, peas, green beans, lemon, parsley, mustard, and olive oil.

60 min550 kcal4 base servingsDinnerTraybakePescatarianGluten Free
ContainsFish
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Recipe and nutrition estimates

Recipe times, servings, calories and nutrition notes are estimates for planning. They are not medical or dietary advice. Check food is cooked safely and adjust recipes for your household's needs.

Focus ingredients: salmon fillets, baby potatoes, frozen peas, green beans

Dietary fit: Pescatarian, Gluten-free, Dairy-free

Serving tip: Serve freshly cooked. Cool leftovers in shallow containers and refrigerate within1–2hours at0–5°C; keep cold sauce separately. Eat within48hours or the earlier ingredient use-by limit. Reheat the cooked portion only once until steaming hot throughout, then add chilled sauce if included. Larger households need extra oven batches.

Lemon Salmon Potato Traybake with Peas and Parsley plated and ready to serve.

Image: Shop Sorted generated asset

Ingredients

What you need

  • 520g salmon fillets
  • 700g baby potatoes
  • 200g frozen peas
  • 220g green beans
  • 2 lemon
  • 25g parsley
  • 1 tbsp Dijon mustard
  • 45ml olive oil
  • 2000ml water

You'll also need

two shallow35x25cm roasting trays, oven with two spaced shelves, 3l saucepan, colander, clean food thermometer, knife and board, scales and measuring jug, second3l saucepan, small sauce bowl

Method

Step by step

Up to 8 clear steps
  1. Lemon Salmon Potato Traybake with Peas and Parsley cooking step 1: Prep the traybake.
    Step 1

    Prepare fish and vegetables

    For more than four servings, cook separate batches of no more than four, using each batch’s share of every displayed ingredient. Keep the same tray sizes, piece thicknesses and cooking times; allow extra time for each batch. Heat the oven to 200°C conventional /180°C fan. Cut potatoes into 2cm pieces. Use raw boneless salmon portions about 130g each, no thicker than 2.5cm. Chop all parsley. Measure 2g lemon zest and 30ml juice; cut remaining fruit into wedges, saving any excess. Trim green beans.

  2. Lemon Salmon Potato Traybake with Peas and Parsley cooking step 2: Roast the potatoes.
    Step 2

    Pre-cook the potatoes

    Bring 1000ml water to the boil in a 3l pan. Add all potatoes and simmer for 10–12 minutes until a knife enters easily; continue briefly if still firm. Drain and steam-dry for 2 minutes. Spread between two 35×25cm trays and toss with 30ml oil.

    12 min
  3. Lemon Salmon Potato Traybake with Peas and Parsley cooking step 3: Mix the lemon dressing.
    Step 3

    Make the sauce

    Whisk all Dijon mustard with the measured lemon zest and juice, half the parsley and the remaining 15ml oil. Put half this dressing into a clean serving bowl before any contact with raw fish.

  4. Lemon Salmon Potato Traybake with Peas and Parsley cooking step 4: Add salmon and beans.
    Step 4

    Bake the salmon

    Place half the salmon on each tray beside the potatoes, leaving gaps. Coat the fish with the dressing not reserved for serving. Roast for 15–20 minutes, swapping shelves halfway, until fish is opaque and flakes easily. Check thickest centres reach 75°C for 30 seconds with a clean probe; continue and recheck if needed. Potatoes should be tender with lightly golden edges.

    20 min
  5. Lemon Salmon Potato Traybake with Peas and Parsley cooking step 5: Roast the salmon.
    Step 5

    Boil the green vegetables

    Meanwhile bring the remaining 1000ml water to the boil in the second 3l pan. Boil all green beans for 6–8 minutes, adding all frozen peas for the last 3 minutes, or longer if their packet requires. Drain once peas are hot through and beans are tender.

    8 min
  6. Lemon Salmon Potato Traybake with Peas and Parsley cooking step 6: Warm the peas.
    Step 6

    Plate and finish

    Divide fish, potatoes and all cooked vegetables equally between serving plates. Spoon over all clean reserved dressing. Finish with the remaining parsley and all prepared lemon wedges.