Southwestern Spinach
["2 (10 oz.) pkg. frozen, chopped spinach", "4 Tbsp. butter or margarine", "2 Tbsp. flour", "1 small onion, chopped", "1 stalk celery, chopped fine", "1 c. liquid (spinach cooking water plus enough water or milk to make 1 c.)", "pepper to taste", "3/4 tsp. garlic salt", "10 oz. grated sharp Cheddar cheese", "1 tsp. Worcestershire sauce", "1 (4 oz.) can mild green chilies, chopped"]
["Preheat oven to 350\u00b0.", "Cook spinach according to package directions; drain, reserving liquid.", "Add enough water or milk to make 1 cup of liquid; set aside.", "Saute onion and celery in margarine until soft.", "Blend in flour and cook at least 1 minute, stirring.", "Add liquid slowly, stirring constantly to avoid lumps. Pour this mixture onto the drained spinach.", "Add remaining ingredients.", "Mix thoroughly.", "Pour into greased baking dish. Bake 20 minutes in oven or place in microwave for 8 to 10 minutes."]
["frozen", "butter", "flour", "onion", "celery", "liquid", "pepper", "garlic salt", "Cheddar cheese", "Worcestershire sauce", "green chilies"]