Add the first 7 ingredients to a large pot with lid.  All the ingredients can be rough chopped because we are going to blend them all together in the end, so don't worry about being perfect with the knife cuts!! Bring contents of pot to a boil then turn down to a low simmer.  Cover and simmer until broccoli is tender about 10-15 minutes.

Add Salt and pepper and taste to adjust seasoning.  Use a stick blender and put it right Into the pot.  Blend until creamy.  If you use a blender , ladle hot liquid into the blender but no more than 1/2 way.  You don't want the liquid to splatter on you!

When blended, add the butter and stir.  Adjust seasoning to your liking adding more salt and pepper if needed.