Air fryer sweet potato chips

Ingredients 

• 500g sweet potato, peeled, cut into wedges
• 70g (1/4 cup) crème fraîche
• 1 tbsp milk
• 1 tbs horseradish
• 2 tsp chopped fresh tarragon, plus extra sprigs, to sprinkle
• 1 small green shallot, finely chopped

Method

1. Place sweet potato in basket of the air fryer. Heat to 180°C. Spray with oil and sprinkle with salt. Cook, turning halfway, for 20 minutes or until crisp. Set aside and keep warm.
2. Meanwhile, combine the crème fraîche, milk, horseradish, tarragon and shallot in a bowl. Season. Serve sweet potato chips with crème fraîche mixture.