Add broccoli florets and stems, beans, broth, water, salt and pepper. Bring the mixture to a boil, then reduce heat and simmer until the broccoli is tender, 18 to 20 minutes. Let cool for 5 minutes.

5) ADD the white sauce to the veggies and stir to incorporate. 6) REMOVE from heat. Partially PUREE the vegetables and liquid with a stick blender or in batches in the blender.