Easy Pepper Steak

Bahan-bahan (2 porsi)

• 1/4 cup soy sauce
• 1/3 cup water
• 2 Tbsp . rice wine vinegar
• 1 Tbsp . corn starch
• 1/8 tsp . coarsely-ground black pepper (or more/less to taste)
• 1 lb . thinly sliced flank steak or sirloin, cut diagonally across the grain into thin strips
• 2 Tbsp . olive oil
• 12 mini sweet peppers, thinly sliced (or 2 regular-sized bell peppers, thinly sliced)
• 2 scallions, sliced diagonally into 1 inch pieces, white and green pieces separated
• 2 Tbsp . minced fresh ginger
• 4 g arlic cloves, minced