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a tuna and sweetcorn sandwich, cut inti 4 squares, on a blue patterned tea-plate with a tea-pot and cup in the background.
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Tuna and Sweetcorn Sandwich

Tuna and sweetcorn, with a generous spoon of mayonnaise, one of the most popular sandwich fillings in the UK, and with good reason - it's delicious!
Prep Time5 minutes
Total Time5 minutes
Course: Lunch, Picnic
Cuisine: English
Diet: Dairy Free, Nut Free
Servings: 4 sandwiches
Calories: 361kcal
Author: Thrifty Lesley
Cost: 35p per sandwich

Equipment

Ingredients

  • 102 g tuna from a 128g drained tin, in brine, Aldi
  • 100 g sweetcorn from a tin, or frozen
  • 100 ml mayonnaise Bramwells, own brand from Aldi

Bread

  • 8 slices bread thick cut

Instructions

  • Open the tin of tuna and drain well.
  • I usually tip it into a sieve over the sink and give it a little shake until it stops dripping
    Tip the tuna into a mixing bowl
  • Open the tin of sweetcorn, or cook the frozen sweetcorn.
    Add the sweetcorn to the mixing bowl
  • Add the mayonnaise to the mixing bowl
  • Give everything a thorough mix.
  • That's it, store, covered, in the fridge until needed
  • Once ready to eat, spread a third of the mix onto a slice of thick cut bread, top with the other slice, cut in half and eat, or wrap ready for packed lunch time
    There's no need for butter or anything else

Notes

How to store tuna and sweetcorn mix

In the fridge in an airtight container, this mix will sit quite happily for 3 days.
This filling will not freeze well, so is not recommended

What other ingredients could be used in a tuna mayonnaise sweetcorn sandwich

  • When pricing this deli sandwich mix, I noticed that Aldi had many delicious mayonnaise options - roasted garlic, peri peri or lemon and black pepper. Any of these would make a delicious variation.
  • add a dollop of Dijon mustard
  • You could add finely chopped vegetables
    • very finely sliced celery
    • grated carrot
    • fine chopped black olives
    • layer in a few green leaves of some sort
  • change up the bread to sourdough, granary, floury baps or anything else you fancy
  • add some sliced gherkins
  • swap the mayonnaise for soft cheese

How much does this filling cost?

priced at Aldi.com in May 2025
  • Tin tuna in brine 65p 120g, 102g drained
  • tin sweetcorn, 100g of a 285g / 65p tin used, 23p
  • mayonnaise, Bramwells 500ml, 95p, 100ml used 27p
  • this makes 4 sandwiches, so 8 slices of bread. Toastie bread, 75p, 20p for 6 slices
  • Total cost of filling, £1.15 for 300g. The equivalent in Aldi at the time of writing is £2.61 for 385g, so this is less than half the price
  • Plus 27p for bread
  • Cost per sandwich 35p

What else can I use this for

You might not want three tuna sweetcorn sandwiches, so what else can you use this mixture for?
  • stir it through cooked pasta and enjoy hot or cold
  • top a jacket potato with it
  • enjoy with a platter of crudités
This is a very easy recipe to upsize or downsize, simply use equal quantities of all three ingredients. 

 

Nutrition

Calories: 361kcal | Carbohydrates: 32g | Protein: 12g | Fat: 21g | Saturated Fat: 3g | Polyunsaturated Fat: 12g | Monounsaturated Fat: 4g | Trans Fat: 0.1g | Cholesterol: 19mg | Sodium: 471mg | Potassium: 183mg | Fiber: 3g | Sugar: 4g | Vitamin A: 97IU | Vitamin C: 1mg | Calcium: 77mg | Iron: 3mg
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