Looking for a quick, tasty filler? This deli‑style tuna & sweetcorn sandwich filler is creamy, tasty, and brilliantly versatile - perfect as a sandwich or panini filling, or spooned over piping‑hot jacket potatoes.
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Ready in under 10 minutes, this tuna and sweetcorn mayo filler is perfect for packed lunches and busy days. It's also wonderfully versatile, allowing you to customise it with whatever you have in the fridge.
Love tuna? You might also like my air fryer tuna melt recipe!
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✔️ Why You'll Love This Recipe
- Fast & fuss‑free - just mix and serve.
- Flexible - lovely in sandwiches, paninis, wraps, or jacket spuds.
- Kid‑friendly - creamy, sweetcorn sweetness balances tuna's savoury tone.
🛒 Ingredient Notes
Good‑quality tuna - Choose tuna in brine or spring water for the best texture.
Sweetcorn - Tinned (canned) or frozen works well - and it adds a bright, sweet crunch.
Mayonnaise - For creaminess; swap half for Greek yoghurt if you prefer tang.
Red onion - Finely chopped, it adds sharpness and crunch.
Fresh parsley - Adds a pop of colour and freshness.
Black pepper - Adds gentle heat.
🔪 How to Make Tuna Sweetcorn Mayo Sandwich Filler
One: Drain the tuna and sweetcorn and place all of the ingredients in a bowl.
Two: Mix thoroughly, chill and serve.
Top Tips
- Ensure both the tuna and sweetcorn are well drained to prevent a watery mix.
- If you have time, chill the mixture for 30 minutes to help the flavours meld beautifully.
- A squeeze of lemon juice or a splash of vinegar can brighten the flavours and cut through the richness
🍽️ Serving Suggestions
This creamy tuna and sweetcorn mix is incredibly versatile and can be served in a variety of ways.
Spread it on soft bread or ciabatta and press in a panini maker until golden for a warm, melty sandwich. It's also delicious piled high on a split, buttery jacket potato - perfect for a quick and hearty lunch.
For something lighter, wrap it up with crisp lettuce and cucumber slices, or simply spoon it onto toast and pop it under the grill for a quick and tasty mini tuna melt.
📖 Variations
- Add grated cheese (cheddar or mozzarella) for a richer filling.
- Stir in a teaspoon of mustard or sriracha for spice.
- Swap tuna for smoked mackerel or chicken for a different flavour profile.
- Mix in chopped capers or cornichons for a briny twist.
🥡 Storage
Store - in an airtight container in the fridge for up to 3 days.
If you're topping jacket potatoes, wait until just before serving to spoon it on to avoid the potato going soggy.
❓ Frequently Asked Questions
Yes! Cover and store in the fridge.
Not really - the mayo separates when frozen.
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Recipe
Deli-Style Tuna Sweetcorn Sandwich Filler
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Ingredients
- 3 x 145 g Canned Tuna in Brine drained
- 198 g Canned Sweetcorn drained
- 4 tablespoon Mayonnaise
- ½ Red Onion peeled and finely chopped
- 1 tablespoon Fresh Parsley chopped
- ¼ teaspoon Black Pepper
Instructions
- Flake the drained tuna into a medium bowl.3 x 145 g Canned Tuna in Brine
- Add all of the other ingredients and mix thoroughly.198 g Canned Sweetcorn, 4 tablespoon Mayonnaise, ½ Red Onion, 1 tablespoon Fresh Parsley, ¼ teaspoon Black Pepper
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