Place the peanut butter, olive oil, garlic paste, ginger paste, chilli paste, vinegar, honey and soy sauce in a large bowl. Mix really well, add the chicken and mix again until the chicken is totally coated. Set aside.
Preheat the oven to 200C/180C Fan/Gas 6.
Place the broccoli, green beans and cucumber in a large roasting tin. Add the chicken mixture on top. Sprinkle over the peanuts and bake for 45 minutes. Check the chicken pieces are cooked through.
Serve immediately as this one-tray dish is now ready to devour.
