You know how I feel about soup: we should eat it once a day in the cooler temperatures. If you have broth and a slow cooker, you have the makings for a low prep, nutritious and filling meal any day of the week.
Tougher vegetables like potatoes or squash, take on a delicious tenderness when allowed to simmer.
Through in a good base of either bullion cubes + water, or homemade broth, plus your vegetables of choice. I did squash, carrots, and onions in this one that was our Thanksgiving first course.
Pulsing the contents about 10 minutes before you serve (with a hand-mixer or transferring to a food processor) can give a clear broth more texture.