Thai peanut chicken and rice traybake

Name: Thai peanut chicken and rice traybake
Prep time: 20 min
Cook time: 50 min
Total time: 1 h 10 min
Cuisine: Asian, Thai
Ingredients: 3 tbsp peanut butter; 3 tbsp soy sauce; 1 tsb ginger paste; 1 tsb garlic paste; 1 tbsp honey; 2 tbsp rice wine vinegar; juice of 1 lime; coconut milk (400g); 1 tsb chilli flakes (optional); 270g basmati rice; 1 chicken stock cube; 175g frozen sliced peppers; 115g frozen chopped onions; 350ml water