Fiery Scallion Beef - Serving Dumplings

Ingredients

• 1.1 pounds steak (flank steak, skirt steak, sirloin or rump steak)
• 1 tbsp cornstarch
• 1 tsp vegetable oil
• ¼ tsp sambal oelek (more to taste)
• 1 tsp low sodium soy sauce
• 10 scallions
• 4 garlic cloves minced
• 1 tbsp grated ginger
• 2 tbsp vegetable oil (divided)
• 1 tbsp toasted sesame oil
• ¼ tsp white pepper
• 1 tsp sambal oelek (more or less to taste)
• 1 tbsp oyster sauce
• 3 tbsp low sodium soy sauce
• 2 tbsp mirin
• ¼ cup water