Cold Pea and Basil Soup | Saveur

Ingredients

• 2 tbsp. extra virgin olive oil
• 2 small or 1 large yellow onion, peeled and finely diced (about 1 cup)
• 4 cups frozen peas
• 1 qt. vegetable stock
• 12 fresh large basil leaves, 10 whole, 2 finely sliced for serving
• Coarse salt
• Freshly ground black pepper
• Sour cream or your best, highest-quality olive oil, for serving