Peanut (or Groundnut) sauces and soups are common throughout Sub-Saharan Africa. This sauce can be served with any grilled chicken, meat, or fish, or with boiled sweet potatoes or rice. This sauce can also be served as a soup. 

Ingredients:

• 2 spoonfuls of oil
• 1/2 small onion, finely minced
• 1 c roasted, shelled, skinned, mashed peanuts (or 1 c peanut butter)
• 2 c water or chicken broth
• salt, cayenne pepper or red pepper (to taste)
• fresh hot chile pepper, finely minced (optional)

Directions:

1. Heat oil in skillet.
2. Fry onions and optional fresh pepper in oil, until soft, and set aside.
3. Combine peanuts (or peanut butter), water, salt, and spices in sauce pan.
4. Stir until smooth and simmer over low heat for ten to fifteen minutes.
5. Add onions and hot pepper.
6. Stir and simmer until completely heated.
7. Serve over grilled chicken, meat, or fish, or with rice. Can also be served as soup.

Serves:  Makes about 3 cups.

Source:  congocookbook.com