Bring the vegetable broth, barbecue sauce, cauliflower, garlic, butter and salt to a boil over medium-high heat. Lower the heat to medium-low and simmer the mixture for 15 minutes.
Blend the boiled cauliflower with a hand blender or in a food processor. Add the coconut milk while blending.
Pour the cream sauce over vegetables, pasta or anything else you can think of!