Place the chicken in a bowl and add the sweet chilli jam. Marinate for 30 minutes.
Preheat the wok over high heat, add some oil and add the chicken.
Cook for 2-3 minutes until the chicken pieces are nearly cooked. Add the vegetables, and the soy sauce and cook with a lid. Cook a further 2 minutes.
Combine in a bowl, the peanut butter, hoisin, chilli flakes. Pour the mixture over the chicken and vegetables and toss to coat with the flavours. Add the noodles and check the seasoning.