Potato Soup - cooking recipe

Ingredients

2 c. mashed potatoes
3 Tbsp. butter
4 c. milk
1/4 tsp. celery seed
1/4 tsp. onion salt
1 tsp. onion, minced
small diced, cooked potatoes (optional)
celery, grated (optional)

Preparation

Cut potatoes up very small or may use instant potatoes if desired.
Cook celery and potatoes together.
Drain and mash 3/4 of potatoes.
Add other ingredients and simmer 15 minutes.