Chop all of the vegetables, garlic, and ginger.
Put the potatoes, onion and sweet potato and spices in a large cooking pot with 2 cups water.
Cover and bring to a boil, then lower the heat and cook for 20 - 25 minutes.
Add the zucchini and green beans to the pot and cook for 10 more minutes.
Then add the red pepper and cook for 5 more minutes.
Turn off the heat and stir in the corn.
Pour out a cup of the stew water and mix the peanut butter in.
Just before serving the stew, stir in peanut butter.
Serve with peanuts garnish if desired.
Now enjoy your Delicious 'Vegetable Stew with Peanut Butter'.