Drizzle peppers with olive oil and arrange on the baking sheet. Bake for 15-20 minutes. Turn and bake for another 15 minutes until blackened and charred.
Peel and deseed peppers, chop coarsely.
In a pot, sauté onion and garlic. Add peppers, broth, wine, salt, and pepper to a blender. Blend until smooth (work in batches if needed).
Add cream and blend again. Return mixture to the pot and heat for 10 minutes.
Serve garnished with parsley or cilantro, and drizzled with extra cream if desired.