Tuna, sweetcorn and cheese toastie recipe

Stuart Forster suggests a simple twist to lift a humble toasted cheese sandwich in this tuna, sweetcorn and cheese toastie recipe.

A number of the dishes that I’ve cooked during the coronavirus lockdown are likely to feature among my future lunches, dinners and snacks. This easy-to-make tuna, sweetcorn and cheese toastie recipe is one of them.

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There are others that I won’t be tempted to repeat. I hate wasting food (detractors might point to my waistline and say that’s blatantly obvious — #BeKind) but one attempt at cooking a tarka dal was so awfully, utterly bad that it ended up in the bin.

Generally, I’m pleased with the food I’ve cooked during the lockdown period. It’s been varied, nutritious and, in the main, enjoyable to prepare. I’ve both followed recipes and experimented, which has kept it interesting.

The cheese toasty is a delightful snack. A grilled sandwich waiting to be served
A diagonally sliced grilled cheese sandwich waiting to be served.

A tasty toasted Cheese sandwich

Cheese toasties tend to be one of my go to any time of day snacks. Occasionally, I don’t shy from making a cheese toastie for breakfast though I tend to favour my homemade granola. More commonly they’re a dish I make when I’m looking for a quick and tasty lunch or tea. Making a cheese toastie can be tastier and significantly less expensive than ordering in food.

It’s possible to make a cheese toastie under a grill or in the oven but it’s far simpler to prepare them in a dedicated grilled sandwich maker. The Breville Deep Fill Sandwich Toaster and Toastie Maker is available via Amazon (£):


At present, I use a George Foreman grill. It’s simple to operate, only taking a couple of minutes to heat up, and easy to clean (£):

Of course, there’s plenty of debate about the best cheese for a grilled cheese sandwich. I favour using mature cheddar cheese in my toasties, because of the strong flavour and consistency. I find it melts well. If cheese oozes out onto the grill that’s a bonus as it ends up as a delicious yellow crisp.

One of my favourite cheese toasties is made with sliced ham and cheese. Known as tosta mista in the cafés and bars of Portugal, they tended to be my breakfast on the go during early starts in Lisbon. Every time I have one reminds me of a café that I used to frequent near the Santa Apolonia railway station.

Variety, though, is the spice of life. It would be dull to have the same type of toastie every time, so why not give something different a go? Those were my thoughts as I came up with this recipe.

In addition to a cheese toastie maker you’ll need a cheese grater, mixing bowl, tablespoon, knife and chopping board to make my tuna, sweetcorn and grilled cheese sandwich.

Grilled sandwich on the chopping board
A grilled cheese sandwich on a wooden chopping board.

Ingredients of this tuna, sweetcorn and cheese toastie recipe

This tuna, sweetcorn and cheese toastie recipe requires the following ingredients (to make three toasted sandwiches):

Six slices of wholemeal bread

One 160-gram tin of canned tuna fish

One 150-gram tin of canned sweetcorn

100 grams of mature cheddar cheese

Half of a medium-sized red onion

One heaped tablespoon of mayonnaise

One teaspoon of harissa spice (try paprika if you don’t have any harissa at home)

Diagonally sliced tuna, sweetcorn and cheese toasty
A diagonally sliced tuna, sweetcorn and cheese toasty. How do you slice your toasties?

How to make my tuna, sweetcorn grilled cheese sandwich

Making a cheese toastie is easy. Follow these four simple steps to make my tuna, sweetcorn and cheese toastie recipe:

  1. Grate the cheese into the mixing bowl. Add the mayonnaise, spice, sweetcorn and tuna fish.
  2. Chop the onion into small pieces and add them to the bowl. Stir the contents of the bowl together.
  3. Spoon the mixture onto three of the slices of bread. Ensure it is layered on relatively thickly (see photo below for guidance). Add top slices of bread to close the sandwiches.
  4. Grill the sandwiches for around five minutes.

These toasted sandwiches are easy to prepare and big on flavour. They’re ideal as an easy lunch or an all-day snack.

Hopefully you’ll find this recipe easy to follow and the only burning issue is be how to serve your grilled sandwiches. Should they be cut across the middle or diagonally? That issue has been dogging cheese toastie lovers such as myself for years. Aesthetically, I think the diagonal cut is ideal. Why? Simply because I think that diagonally cut sandwiches look better on a plate.

Please feel welcome chip in with your viewpoint in the comments field below. Likewise, if you have any feedback, suggestions on how to enhance this recipe or other grilled cheese sandwich ideas that you’d like to share, please feel free to share them below. If you’ve got a gourmet grilled cheese sandwich recipe that you want to make public, please add a comment.

Filling of the tuna, sweetcorn and cheese toasty loaded onto a slice of bread
The filling of the tuna, sweetcorn and cheese toasty loaded onto a slice of bread.

Additional information

Thanks for visiting Go Eat Do and reading this tuna, sweetcorn and cheese toastie recipe. Looking for inspiration for your cooking? You might enjoy traditional dishes from the Mount Athos region of Greece.

In the USA 12 April is National Grilled Cheese Sandwich Day.

Photos illustrating this post are by Why Eye Photography.

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