Sandwich with Apple and tuna

450 g tuna canned

6 rolls

6 lettuce leaves

1/2 Apple

1/3 Cup mayonnaise
some mayonnaise to choose? we'll show

1/2 Cup chopped fennel

1,5 tsp. fennel seeds

1 tsp. lemon zest

1 tsp. coriander seed

1 tsp. lemon juice

1/2 tsp. sea salt

Apple cut into cubes.

Put on buns with lettuce.

Combine and mix all ingredients, put on ? Cup filling on each bun.

Served the sandwich with Apple and tuna immediately after cooking.