One for the brunch list!
For two sandwiches
Mix 2tbsp mayonnaise with 1 tbsp salsa and 1 chopped spring onion. (No salsa? Finely chop a tomato and another spring onion and mix in with a pinch of chilli flakes). Season with good grind of pepper
Spread onto 4 slices bread
Add slice of gruyere cheese to each then sandwich with sliced turkey.
Fry in butter until golden brown and cheese melted.