Step 1
Mix tuna, mayonnaise, spring onion and mustard.

Cheesy Tuna Toasties recipe with bread, tuna, and mayonnaise. A simple 15-minute lunch with clear, step-by-step instructions.
Cook along
Check ingredients as you gather them, then work through 3 calm, clearly numbered steps.
Tap each item as it reaches your counter.
3 steps · about 15 minutes total
Step 1
Mix tuna, mayonnaise, spring onion and mustard.
Step 2
Butter the bread and add the tuna mixture and cheddar.
Step 3
Toast in a sandwich press or pan until golden and the cheese melts.
Before you serve
Small details for confident timing, useful swaps, and safer leftovers.
Seafood cooks quickly, so watch the final minutes closely and follow local food-safety guidance.
Cheesy Tuna Toasties is a lunch idea built around bread, tuna, mayonnaise, and spring onion. It is designed for straightforward home cooking and takes about 15 minutes, making it a useful option when you want a practical meal without a long ingredient list.