Best Homemade Pepper Steak Recipe

Ingredients

• 500 g beef sirloin (thinly sliced against the grain)
• 2 tbsp soy sauce
• 1 tbsp oyster sauce
• 1 tbsp cornstarch
• 1 tsp black pepper (freshly ground)
• 2 tbsp vegetable oil
• 1 red bell pepper (sliced)
• 1 green bell pepper (sliced)
• 1 medium onion (sliced)
• 2 cloves garlic (minced)
• 1 tsp fresh ginger (minced)
• 1 tbsp rice vinegar or apple cider vinegar
• 1 tbsp brown sugar
• 120 ml beef broth
• Cooked rice (for serving)