Thai Chicken and Pineapple Stir Fry

INGREDIENTS

1 lb

boneless skinless chicken breast, cut into 1-inch cubes

1 tbsp

fish sauce

2 tbsp

cornstarch

1 tbsp

oil, divided

1 tsp

minced garlic

1 tsp

minced ginger

2 cups

cubed assorted colors bell peppers (1/2-inch cubes)

red chili pepper, chopped (optional or to taste)

1 cup

fresh pineapple chunks

1/3 cup

Thai sweet chili sauce

cilantro leaves (for garnish)