Kung Pao Chicken Skewers

INGREDIENTS

• 1/4 cup soy sauce
• 3 Tb. brown sugar
• 2 Tb. Chinese black vinegar (or rice vinegar)
• 1 Tb. chile-garlic sauce (or sriracha)
• 2 cloves garlic, minced
• 1 1/2 tsp. grated ginger
• 2 tsp. sesame oil
• 1 1/2 lb. boneless, skinless chicken breast
• 1 lb. cremini mushrooms
• 1 whole pineapple
• 1 cup chopped green onions for garnish