Roasted vegetable soup

Ingredients

• 6 large tomatoes
• 1 white onion
• 3 carrots
• 4 cloves garlic
• 2 tbsp olive oil
• kosher salt and pepper
• 2 cups vegetable stock
• 1/2 cup water
• 1/4-1/2 cup heavy whipping cream
• 1/4 cup fresh basil, chopped
• 1/4 tsp crushed red pepper flakes
• Parmesan cheese, for topping