This is a nice, simple potato soup that can be made up ahead of time, and when you stop home during your lunch hour, you can turn the crockpot on and it'll be ready when you get home.
1c chopped onion
2 minced garlic cloves
5 peeled potatoes, cut into 1" cubes
5c chicken broth
Saute the celery and onions for 5 minutes. Add minced garlic and saute for 1 more minute.
Move those items to your crockpot, and add the potatoes and broth.
Cook on low for 4 hours.
Before serving, mash with a potato masher or puree with a hand blender.
Along those same lines, the next time I will cut the celery back to just 1c. I love celery and peanut butter, but I'm not a huge fan of eating it cooked.
I made a double batch and froze one batch in single serving baggies for quick lunches.