Before You Begin
Prepare your baking sheet and cookware as needed. Cooking times and results may vary depending on your equipment and ingredients.
Roast the vegetables
Preheat oven to 400°F (200°C). Arrange tomatoes cut-side up. Drizzle with oil, salt, and pepper.
Cut top off garlic head, drizzle with oil, wrap in foil.
Roast 30–35 minutes until tomatoes caramelize and garlic becomes soft.
Sauté onion
Heat oil in a pot. Cook onion 4–6 minutes until softened.
Add roasted ingredients
Squeeze roasted garlic into pot. Add tomatoes, broth, basil, and red pepper flakes.
Blend safely
Blend with an immersion blender until smooth.
If using a standard blender, blend in small batches and vent steam carefully.
Simmer with cream
Stir in cream. Simmer 5–10 minutes on low to combine flavors. Adjust seasoning.
Serve
Spoon into bowls and garnish as desired.