You will need:

2 thick slices of wholegrain or wholewheat bread, 2 small pre cooked smoked mackerel fillets flaked, 4 cherry tomatoes halved, 1 large handful watercress.

Dressing:

2 tbsp reduced fat créme fraiche, ½ tsp grated lemon zest, squeeze lemon juice, 1 tsp black pepper.

To make:

To make the dressing combine all the ingredients together & set aside in the fridge to chill. For the panini, place the flakes of mackerel onto the base of the bread, top with tomato and watercress. Top with remaining slice of bread, place on the grill and cook for 2 - 3 minutes until the bread is lightly toasted. Serve with a spoonful of reduced fat créme fraiche dressing.