Step 1

Mix chicken and fish sauce in medium bowl.

Step 2

Add cornstarch; toss to evenly coat.

Step 3

Set aside.

Step 4

Heat 1/2 tablespoon of the oil in large nonstick skillet on medium-high heat.

Step 5

Add garlic and ginger; stir fry 30 seconds.

Step 6

Add bell peppers, chili pepper if using and pineapple; stir fry 3 to 5 minutes or until peppers are tender-crisp.

Step 7

Add sauce; cook and stir until heated through.

Step 8

Remove from skillet.

Step 9

Heat remaining oil in the skillet.

Step 10

Add chicken; stir fry 5 minutes or until cooked through.

Step 11

Return bell pepper mixture to skillet; stir fry until well blended.

Step 12

Garnish with cilantro.