Orange Chicken Stir-Fry With Rice Noodles

Ingredients

• ½ teaspoon freshly ground black pepper
• 3 tablespoons toasted sesame oil, divided
• 4 boneless, skinless chicken thighs , cut into 1-in. pieces
• 1 red onion, sliced
• ¼ cup sliced scallions
• ¼ cup chopped roasted, salted peanuts
• 1 tablespoon cornstarch
• 1 red bell pepper, cut into 1-in. pieces
• ½ teaspoon kosher salt
• ¼ cup orange marmalade
• 4 ounces fresh snow peas, trimmed and halved crosswise
• 8 ounces rice noodles
• 3 tablespoons tamari or soy sauce
• ¼ cup rice vinegar