Cashew chicken stir fry

Name: Cashew chicken stir-fry
Ingredients: 100g cashew nut butter; 2 tbsp low-sodium soy sauce; 2 wholewheat egg noodles nests; 1 tbsp vegetable oil; 2 garlic cloves, finely chopped; 1 red chilli, finely chopped (deseeded if you don't like it too hot); 2 chicken breasts, cut into 1cm-thick strips; 120g thin-stemmed broccoli, halved; 1 carrot, cut into matchsticks; 20g unsalted cashew nuts, roughly chopped; 4 spring onions, sliced on the diagonal