Shrimp Scampi on Couscous Gelson's

Ingredients

• ½ cup plus 1 Tbsp extra virgin olive oil, divided
• 1 small onion, chopped
• 1 carrot, peeled and chopped
• 3 garlic cloves, minced
• 2 8-oz cans chopped tomatoes in their juice
• 1 8-oz bottle clam juice
• ¼ cup dry white wine
• 1 tsp salt, plus more to taste
• ¼ tsp freshly ground black pepper, plus more to taste
• About 1 ¼ cups water
• 2 cups plain couscous
• 2 lb shrimp, peeled and deveined
• Juice of 1 lemon
• 1 Tbsp flat-leaf parsley, chopped
• 1 tsp red pepper flakes