Lunch recipe

Zesty Tuna Sweetcorn Rice Salad Boxes with Lemon and Cucumber

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Protein-rich lunch boxes with basmati rice, tuna, sweetcorn, red pepper, cucumber, spring onions, lemon, and parsley.

40 min490 kcal4 base servingsLunchPackablePescatarianMake Ahead
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: tuna, basmati rice, sweetcorn

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

Serving tip: Cool rice promptly in shallow portions, ideally within 1 hour, and refrigerate at 0–5°C. Use within 24 hours or an earlier ingredient use-by limit. Reheat only once until steaming hot throughout. Transport chilled with an ice pack. Serve this salad cold; full refrigeration time depends on portion depth and is additional to preparation and cooking. Repeat complete batches for larger households; sequential batches add the stated cooking time.

Tuna Sweetcorn Rice Salad Boxes plated and ready to serve.

Image: Shop Sorted generated asset

Ingredients

What you need

  • 300g basmati rice
  • 3 × 145 g tins tuna
  • 1 × 325 g tin sweetcorn
  • 1 red pepper
  • 1 cucumber
  • 4 spring onions
  • 1 lemon
  • 15g flat leaf parsley
  • 2 tbsp olive oil
  • 2 tsp wholegrain mustard
  • 1g salt
  • 1/4 tsp black pepper
  • 1500ml water

You'll also need

knife and chopping board, grater, measuring jug and scales, sieve, 4l mixing bowl, 3l saucepan, clean cooling tray, whisk, shallow lidded lunch boxes

Method

Step by step

Up to 8 clear steps
  1. Tuna Sweetcorn Rice Salad Boxes cooking step 1: Cook the rice.
    Step 1

    Cook the rice

    For more than four servings, divide all ingredients between separate four-serving batches before starting; use each batch’s share of the displayed total amounts in its own equipment. Rinse the dry basmati rice. Bring all the measured water to the boil in a 3l saucepan, add rice and boil uncovered for 10–12 minutes until tender, following a longer packet time if needed. Drain thoroughly and spread thinly on a clean tray while preparing the dressing.

    12 min
  2. Tuna Sweetcorn Rice Salad Boxes cooking step 2: Prep the salad.
    Step 2

    Prep the salad

    Drain the tuna and sweetcorn, dice the red pepper and cucumber, slice the spring onions, and roughly chop the parsley leaves and tender stalks. Zest the whole lemon before juicing it for the dressing.

    10 min
  3. Tuna Sweetcorn Rice Salad Boxes cooking step 3: Whisk the dressing.
    Step 3

    Whisk the dressing

    Whisk all lemon zest and juice, olive oil, wholegrain mustard and measured salt and black pepper in a 4l mixing bowl.

    3 min
  4. Tuna Sweetcorn Rice Salad Boxes cooking step 4: Dress the rice.
    Step 4

    Dress the rice

    Add the warm rice to the dressing and fold until every grain is lightly coated. Leave for 3 minutes so the rice absorbs the lemon flavour.

    4 min
  5. Tuna Sweetcorn Rice Salad Boxes cooking step 5: Fold the salad.
    Step 5

    Fold the salad

    Gently fold in the tuna, sweetcorn, red pepper, cucumber, spring onions, and half the parsley, keeping the tuna in visible flakes rather than mashing it.

    4 min
  6. Tuna Sweetcorn Rice Salad Boxes cooking step 6: Pack or serve.
    Step 6

    Pack or serve

    Divide into the planned portions and top with all remaining parsley. Cool rice quickly in shallow containers and refrigerate promptly; do not wait for a large bowl to become completely cold.

    3 min