Preheat broiler to high heat.

Lay the peppers on a baking sheet and broil until charred on all sides.

Transfer to a bowl, cover with plastic wrap and let steam for 5 minutes.

Remove plastic, and peel the peppers. Set aside. 

Heat the oil in a saucepan over medium high heat.

Add the onions and cook until soft.

Add the garlic and thyme and cook for 1 minute. Season with salt and pepper.

Add the peppers, coconut milk and broth and bring to a boil. 

Reduce heat and simmer for 10 minutes. 

Transfer to a blender and or use an immersion blender to blend until smooth.

Top with crabmeat and serve hot.