Thai Shrimp Curry

Bahan-bahan (4 porsi)

• 1 tablespoon vegetable oil
• 1 small yellow onion, (thinly sliced)
• 1/3 cup thinly sliced scallions, (white and green parts, from 4 to 5 scallions)
• 2 cloves garlic, (minced)
• 2½ tablespoons Thai green curry paste
• 1 (14-oz) can coconut milk
• ¼ cup water
• 2 tablespoons fish sauce
• 1 tablespoon (packed) dark or light brown sugar
• 2 lbs large (31/35), (extra large (26/30) or jumbo (21/25) shrimp, peeled and deveined (see note), thawed if frozen)
• Juice of 1 lime, (about 2 tablespoons, plus more lime wedges for serving)
• ¼ cup chopped fresh cilantro, (Thai basil, or Italian basil (or a combination))