Ingredient:

• 3 tablespoons olive oil
• 3 tablespoons butter
• 1/4 to 1/2 teaspoon crushed red pepper flakes
• 3 large carrots, peeled and chopped
• 1 large onion, chopped
• 2 garlic cloves, minced
• 2 teaspoons dried basil
• 3 cans (28 ounces each) whole peeled tomatoes, undrained
• 1 container (32 ounces) chicken stock
• 2 tablespoons tomato paste
• 3 teaspoons sugar
• 1 teaspoon salt
• 1/2 teaspoon pepper
• 1 cup heavy whipping cream, optional
• Optional toppings: Thinly sliced fresh basil leaves and grated Parmesan cheese