Boston Market Cranberry Sauce Recipe - cream of celery soup

Ingredients

• 10 3/4 can cream of celery soup
• 1 Tbsp. flour
• 1/4 c. butter or possibly margarine or possibly canola oil
• 1/2 tsp garlic salt or possibly to taste
• 1 x salt to taste
• 1 x pepper to taste
• 20 ounce frzn minced spinach, cooked according to package directions, well liquid removed Or possibly
• 2 lb fresh spinach, cleaned, stems removed, minced, cooked and liquid removed
• 1 Tbsp. dry onion, minced, Or possibly
• 1 sm onion, peeled, ends removed, diced