Beetroot celeraic and smoked mackerel salad

|Beetroot celeraic and smoked mackerel salad.|apple beetroot celariac watercress|500g celeriac peeled500g cooked beetroot cut into chunks275g smoked mackerel broken into large flakes1 apple quartered and thinly sliced50g watercress (or other peppery winter leaf)half a lemon juiced2 tbsp fresh dill finely choppedred wine vinegar olive oil salt and pepper to taste|Cut the celeraic into thick matchsticks and soak in water and lemon juice to stop it from discolouringDrain and dry the celeraicToss all the ingredients together in a bowl. Dress with red wine vinegar olive oil and salt and pepper to taste|30.00 minutes|2|