Vietnamese chicken spring rolls

Name: Vietnamese chicken spring rolls
Ingredients: 1 medium red capsicum; 1 tablespoon peanut oil; 700 gram chicken breast fillets; 4 centimetre piece fresh ginger, grated; 2 clove garlic, crushed; 4 green onions, finely chopped; 100 gram bean thread noodles; 1 medium carrot, cut into matchsticks; 1 tablespoon coarsely chopped vietnamese mint; 500 gram bok choy, finely sliced; 1/4 cup (60 millilitres) sweet chilli sauce; 1 tablespoon light soy sauce; 40 spring roll wrappers; peanut oil, for deep-frying