Place chicken in a bowl, add 1 tablespoon of olive oil, the juice of a lime, the pineapple juice and some mint leaves cut in small pieces. Season with salt and pepper, toss to coat and cover the bowl. Marinate for 3 hours or overnight.
Cook cous cous as indicated in the package. Place it in a bowl and add a tablespoon of olive oil, toss to coat and let it reach room temperature.
Heat 1-2 tablespoons of olive oil in a no-sticking pan over medium high heat. Add chicken and stir fry for 8-10 minutes or until meat is cooked. Place in a plate and cover to prevent from drying.
In a large bowl add onions and zucchini, drizzle with lime juice, 2 tablespoons of water and 1 tablespoon of olive oil. Season with salt and pepper and let sit for 5 minutes.
Add the remaining ingredients to the bowl with onions and zucchini, mix till everything is coated with chicken juices and onions marinade. Add more lemon juice, salt and pepper to taste and serve.