Yam Soup - cooking recipe

Ingredients

1 lb. fresh yams
4 c. water
2 Tbsp. vegetable oil
1 c. chopped onion
2 c. chopped tomato
2 1/2 c. beef stock
1 tsp. salt
1/2 tsp. cayenne pepper
sprig of parsley

Preparation

Boil yams in water until tender; remove from heat and drain. Peel immediately under cold running water.
Place yams in a mixing bowl; mash with a potato masher until smooth.
Set aside.