Potato Spinach Casserole
["6 to 8 large potatoes, peeled, cooked and mashed", "1 c. sour cream", "2 tsp. salt", "1/4 tsp. pepper", "2 Tbsp. chopped chives", "1/4 c. butter or margarine", "1 (10 oz.) pkg. frozen spinach, thawed and well drained", "1 c. shredded Cheddar cheese"]
["In a large bowl combine all ingredients except cheese.", "Spoon into a greased 2-quart casserole dish.", "Bake at 400\u00b0 for 15 minutes uncovered.", "Top with cheese.", "Bake for 5 more minutes. Serves 6 to 8."]
["potatoes", "sour cream", "salt", "pepper", "chives", "butter", "frozen spinach", "Cheddar cheese"]