Chinatown Pepper Steak – Miss BeHavin's Haven

Ingredients

• ⅓ cup premium soy sauce
• 1 tbsp kekap manis
• 2 tbsp rice wine vinegar
• 1 ½ tbsp dark brown sugar
• 2 tbsp cornstarch, divided
• 1 lb flank steak, sliced thin, against the grain, 1" strips
• 2 tbsp peanut oil, divided
• kosher salt
• freshly ground black pepper
• 1 red bell pepper, thinly sliced
• 1 yellow bell pepper, thinly sliced
• 1 green bell pepper, thinly sliced
• 1 bunch green onions, sliced 1" pieces, reserving scallions
• ½ small sweet onion, sliced
• 3 cloves garlic, minced
• 1 tbsp fresh ginger, minced
• 2 tsp toasted sesame seeds, for garnish
• steamed sticky rice