Heat oil in a pot over medium heat. Add onion and garlic and cook for a few minutes, Add salt, paprika, spicy chilli and roasted red peppers. Cook for 1-2 minutes more, stirring as you go.
Add broth/water, bring to a boil, reduce heat and simmer for 10-15 minutes.
Add coconut milk and tahini, mix, bring to a boil and remove from heat.
Purée with an immersion blender or regular blender.
Optional: garnish with coriander and finely chopped basil and a few drops of chili oil