Creating Hawaiian Pineapple Chicken is simple. Follow these easy steps to deliver a delicious meal:

1. Prepare the Chicken: Cut the chicken breasts into bite-sized pieces and season with salt and pepper.
2. Heat the Oil: In a large skillet or wok, heat vegetable oil over medium heat.
3. Cook the Chicken: Add the chicken to the skillet, cooking for 5-7 minutes until it’s browned and cooked through. Remove from the skillet and set aside.
4. Sauté Vegetables: In the same skillet, add the onions, bell peppers, and garlic. Sauté for 3-4 minutes until they soften.
5. Add Pineapple: Mix in the diced pineapple and ginger, cooking for an additional 2-3 minutes.
6. Make the Sauce: In a bowl, combine soy sauce and brown sugar. If using, dissolve cornstarch in a small amount of water and mix it in as well.
7. Return Chicken: Add the cooked chicken back to the skillet and pour the sauce over everything.
8. Stir to Combine: Stir well to coat the chicken and vegetables in the sauce.
9. Cook Further: Allow everything to simmer for about 5 minutes until the sauce thickens slightly.
10. Finish: Drizzle with sesame oil, if using, and remove from heat.

This straightforward guide will help you create a delightful dish with ease!