I made broccoli and cheese soup in my slow cooker today. I chopped it all up, including the stalk, bung it in the slow cooker, add a chopped leek, onion, grated carrot, garlic, and vegetable stock, and cook on high for 4 hours. Then, stir in some grated cheese and thick Greek yoghurt and blend with a stick blender. This is the First time I have made it, and it is bloody gorgeous, even though I say so myself.