How to Make Pepper Steak Sizzling Weeknight Dinner

Ingredients

• 1 pound (450g) beef sirloin steak, thinly sliced against the grain
• 1 tablespoon soy sauce (low sodium preferred)
• 1 tablespoon cornstarch (cornflour, UK)
• 1 teaspoon sesame oil
• 1/2 teaspoon ground black pepper
• 1 tablespoon vegetable oil
• 1 large onion, thinly sliced
• 1 red bell pepper, seeded and sliced
• 1 green bell pepper, seeded and sliced
• 1 yellow bell pepper, seeded and sliced (optional, for extra color)
• 2 cloves garlic, minced
• 1 inch ginger, minced
• 1/2 cup (120ml) beef broth (or chicken broth)
• 2 tablespoons soy sauce (low sodium preferred)
• 1 tablespoon oyster sauce (optional, but adds depth of flavor)
• 1 tablespoon brown sugar (light or dark)
• 1 tablespoon rice vinegar (or white vinegar)