Cottage Cheese Spinach Salad

Ingredients

• 1/2 c. lowfat sour cream
• 2 T sugar
• 1 T prepared horseradish
• 1/2 teaspoon dry mustard
• 1/4 teaspoon salt
• 3 T herb flavored vinegar (or possibly any mild flavor vinegar)
• 1 (10 ounce) pkg. fresh spinach, washed & torn into bite size pcs
• 1 c. cottage cheese
• 1/2 c. minced walnuts (opt.)