Potato Soup - cooking recipe

Ingredients

10 medium to large potatoes, peeled and diced to bite-size
1 medium onion, chopped coarse
1 stalk celery, chopped medium
1/2 tsp. pepper
1/2 tsp. salt (if desired)
1/2 tsp. garlic powder
1 1/2 tsp. cornstarch

Preparation

Place potatoes in large saucepan; add cold water until just covered.
Add onion and celery.
Boil until potatoes are just tender.
Add garlic and pepper; boil until almost mushy.
Place cornstarch in a cup; add 1/2 cup very hot water.
Stir well.
Pour cornstarch mixture slowly into potato soup.
Stir constantly until thickened.