In a large pot over medium heat, melt 2 tbsp butter and sauté minced garlic and chopped onion until golden brown (about 5 minutes).
Add vegetable broth and simmer for 15 minutes.
Blend the mixture until smooth using an immersion blender or standard blender.
Stir in heavy cream and season with salt and pepper to taste.
Toast sliced baguette until golden brown for dipping.
Serve warm, garnished with croutons or fresh herbs if desired.
