Copycat Beijing Beef - Hey Recipe

Ingredients

• 1 (1-pound) flank steak
• 1 teaspoon plus 2 tablespoons cornstarch (divided)
• 3 egg whites (beaten)
• 1/4 teaspoon salt
• 1/2 cup water
• 1/4 cup sugar
• 3 tablespoons ketchup
• 6 tablespoons hoisin sauce
• 1 tablespoon low-sodium soy sauce
• 2 teaspoons oyster sauce
• 4 teaspoons sweet chili sauce
• 1 teaspoon crushed red pepper flakes
• 2 tablespoons apple cider vinegar
• 1 cup plus 2 tablespoons canola oil (divided)
• 1 yellow onion (sliced)
• 1/2 red bell pepper (cut into 1-inch strips)
• 4 cloves garlic (minced)