If using a bunch of fresh kale you froze yourself, perform the Lazy Kale Manuver (see below)
Slice the sausage and brown it.
Add garlic and crushed red pepper. You can add some onion now if you want.
Cook ~2 min.
Meanwhile, puree 1/2 can of chickpeas in food processor, or mash manually; set aside. Or just skip this if you want.
Put remaining whole chickpeas and soup stock into pan. (If using boullion, you can do that plus 3 cups boiling water)
Simmer 10 min
Add kale and mashed chickpeas
Simmer for 5 min
Add mustard, then salt and pepper to taste