Creamy Spinach & Tarragon Fish Casserole With Garlic Veggies

  • Prep 5 mins
  • Steam Build 9 mins
  • Cook Time 11 mins
  • Total 25 mins
  • Easy
  • Serves 6


  • Contains Milk/Dairy
  • Contains mustard
  • Contains Fish

Tip: Allergy Advice

This dish contains the following allergens: Milk/Dairy, mustard, Fish

Cooking mode

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For the fish casserole

  • 25g butter
  • 1 large garlic clove, peeled, minced
  • 280g boneless skinless cod loins, cut into 5cm cubes
  • 240g boneless skinless salmon fillets, cut into 5cm cubes
  • ½ tsp sea salt
  • 125g Greek yoghurt
  • 125ml double cream
  • 5 tbsp cold water
  • 1 tbsp white wine vinegar
  • 1 tsp wholegrain mustard
  • 120g fresh spinach
  • 20g fresh tarragon, chopped

For the vegetables

  • 1 tbsp olive oil
  • 1 garlic clove, peeled, minced
  • 1 lemon, juiced and zested
  • ¼ tsp sea salt
  • ¼ tsp freshly ground black pepper
  • 145g asparagus spears, trimmed and halved
  • 145g tenderstem broccoli, trimmed and halved
  • 3 portobello mushrooms, quartered


  • Step 1

    Move the slider to AIR FRY/HOB position. Select SEAR/SAUTÉ and set to 4. Select START/STOP, preheat for 2 minutes then add butter. Once melted add the garlic and sauté for 1 minute. Select START/STOP to end cooking 

  • Step 2

    Add the salmon and cod, stirring with a silicone spatula to gently seal the fish. Add remaining fish casserole ingredients, except for the fresh spinach and tarragon, and stir to combine.  

  • Step 3

    Mix oil and seasoning together, toss the veg. Make a foil ‘boat’ by rolling up the outer edges of a large piece of aluminum foil. Transfer the vegetables to the foil boat and place onto the reversible rack in the lower position. 

  • Step 4

    Close the lid and move the slider to COMBI-STEAM position. Select STEAM AIR FRY, set temperature to 225°C and time to 8 minutes. Press START/STOP to begin (this will STEAM for approximately 9 minutes before switching to STEAM AIR FRY) 

  • Step 5

    When cooking is complete, open lid and carefully remove the rack and stir casserole. Serve immediately.