Daging Sapi Szechuan

Bahan-bahan (6 porsi)

• 1 pound flank steak
• 1 tablespoon Chinese black vinegar
• 1 tablespoon soy sauce
• 2 teaspoons Chinese five spice
• 2 tablespoons cornstarch
• 3 tablespoons vegetable oil (divided)
• ½ yellow onion (diced)
• 1 cup sugar snap peas (cut in half)
• 1 cup broccoli (chopped)
• 1 red bell peppers (sliced)
• 1 clove garlic (minced)
• ⅔ cup Szechuan sauce
• 1 stalk green onion (chopped for garnish)