Heirloom Tomato Bisque with Mint

Ingredients

• 1 tablespoon olive oil
• 1 medium red onion, chopped
• 8 large ripe red heirloom tomatoes peeled, seeded, and chopped
• 4 cups chicken stock
• 1 teaspoon sugar
• 1 cup heavy cream
• Salt and freshly ground black pepper
• 1/4 cup chopped fresh mint