Spicy Orange Zest Beef

INGREDIENTS

• 1 pound beef tenderloin, cut into 1/2 inch strips
• 1/4 cup orange juice
• 1/4 cup seasoned rice vinegar
• 2 tablespoons soy sauce
• 1 tablespoon hot chile paste (such as sambal oelek)
• 1 tablespoon brown sugar, or to taste
• 2 cloves garlic, minced
• 1/4 cup water
• 1 teaspoon cornstarch
• cooking spray
• 2 tablespoons grated orange zest
• 1 bunch green onions, sliced - white parts and tops separated
• salt and freshly ground black pepper to taste