Bloody mary prawn tacos

Ingredients

• 1 tbsp lime juice
• 1/2 tsp celery salt
• 1 handful coriander, finely chopped
• 100 g celeriac, peeled
• 1 banana shallot, finely sliced
• 1 celery stick, finely sliced
• 2 garlic cloves, finely sliced
• 50 ml vodka or white wine
• 1/2 tsp Tabasco sauce
• 1 tsp horseradish sauce
• 1 tsp Worcestershire sauce
• 150 ml tomato juice
• 500 g king prawns, peeled and deveined
• 1 tbsp parsley, finely chopped
• 1 pinch freshly ground black pepper
• 1 tbsp sunflower oil
• 2 fresh limes, cut into wedges
• 1 squeeze of mayonnaise
• 4 flour tortillas