Pat's Broccoli and Chicken Stir-Fry

INGREDIENTS

• 1/2 to 1 teaspoon red pepper flakes, or more if desired
• 1 tablespoon light brown sugar
• 1/2 tablespoon cornstarch
• 4 cups broccoli florets, pre-cooked
• 1 tablespoon orange juice
• 4 green onions, sliced
• 1/2 tablespoon sesame oil
• 1 tablespoon peanut oil, plus more as needed
• 1 tablespoon rice wine vinegar
• Hot cooked rice, for serving
• 4 cloves garlic, minced
• 2 tablespoons peeled and chopped fresh ginger
• 2 tablespoons soy sauce
• 1 pound boneless, skinless chicken thighs, cut into 1/2-inch pieces