Crock Pot Cheesy Creamed Spinach

1 can cream of mushroom soup

1 cup cream cheese

2 caps Italian dressing

1/4 cup margarine, melted

1/2 tsp minced garlic

1/4 cup half and half or milk

1/2 cup cottage cheese

16 oz frozen spinach, drained and patted dry

1 can spinach, patted dry

1 can water chestnuts, chipped

1 cup mozzarella cheese

Mix first 7 ingredients, blending completely.

Fold  in last 4 ingredients.

Cook on low in  small crock pot for 4 hours.
Add 1/2 cup flour blended with hot water during last hour of cooking if needed for thickening.