Sandwich with tuna, celery, fennel and red onion


 
Ingredients:
Tuna - 280 g
Quarter red onion
Dill - 2 tablespoons
Celery - 3
Mayonnaise - ¼ cup + 1 tablespoon
Salt - ¼ teaspoon
Pepper - ½ teaspoon
Mustard - ½ teaspoon
Lemon peel - ½ teaspoon

Preparation:
Tuna (dry!) ​​Mix with sliced ​​vegetables, herbs and spices. Mix thoroughly. Store in the refrigerator until use. Put on whole grain bread or muffin on a bed of lettuce.