In a large skillet, heat oil over medium-high heat until hot. Season chicken with salt and black pepper. Add chicken to skillet and cook until it is no longer pink. Remove chicken from skillet and set aside.
Add garlic, bell peppers and green onions to skillet and cook for 1 minute. Add pineapple, pineapple juice, brown sugar, vinegar and chicken stock and bring to a simmer. Simmer until sauce begins to reduce, about 8 minutes. In a cup, stir together cornstarch and 2 tablespoons of water. Reduce heat to low. Add cornstarch mixture to skillet and bring liquid to a simmer. Add chicken and cook for 5 minutes, or until chicken is heated through.
In a large skillet, heat oil over medium-high heat until hot. Season chicken with salt and black pepper. Add chicken to skillet and cook until it is no longer pink. Remove chicken from skillet and set aside.
Add garlic, bell peppers and green onions to skillet and cook for 1 minute. Add pineapple, pineapple juice, brown sugar, vinegar and chicken stock and bring to a simmer. Simmer until sauce begins to reduce, about 8 minutes. In a cup, stir together cornstarch and 2 tablespoons of water. Reduce heat to low. Add cornstarch mixture to skillet and bring liquid to a simmer. Add chicken and cook for 5 minutes, or until chicken is heated through.
Thank you!