Tuna Melt

Process

1. Filling:
   1. Dice the celery, red onion, gherkin
   2. Combine all together
2. Form the sandwich:
   1. Bread slice
   2. Grated cheese
   3. Tuna mix
   4. Grated cheese
   5. Bread slice
3. Melt the butter over medium heat
4. Toast for 3-4 minutes until the cheese is melting and the bread is going golden-brown
5. Flip (wipe of oil if necessary) and cook for 3 minutes