Best Ever Pepper Steak (Ready in 30 Minutes) - My Home Made Recipe

Ingredients

• 1 lb (450 g) flank steak, sliced thin against the grain
• 1 tbsp soy sauce
• 1 tsp cornstarch
• 1 tsp vegetable oil
• 1 tbsp vegetable oil
• 1 small yellow onion, sliced into wedges
• 1 red bell pepper, sliced into strips
• 1 green bell pepper, sliced into strips
• 3 cloves garlic, minced
• 1 tsp fresh ginger, grated
• 1/3 cup (80 ml) beef broth
• 2 tbsp soy sauce
• 1 tbsp oyster sauce
• 1 tsp freshly cracked black pepper
• 1 tsp sesame oil