Ingredients
Instructions
- Gently flake tuna and place in stainless-steel bowl.
- Fold in desired amount of mayo, chopped celery, and celery seed, adding salt and pepper to taste.
- Lay bread on work surface.
- Spread tuna on two slices and layer with Gruyère.
- Top with remaining bread slices and press lightly with the palm of your hand to bring tuna just to the edges of each sandwich.
- Melt a small amount of butter in a skillet over low heat and toast sandwiches until cheese melts and bread is golden brown, about 2 minutes on each side.
- Transfer to cutting board and cut in half on diagonal.