6-8 lg. potatoes, cooked and mashed
1 c. (8 oz.) sour cream
1 tsp. salt
1/4 tsp. pepper
2 tbsp. chopped chives
1/4 c. butter
1 (10 oz.) pkg. frozen, chopped spinach, thawed and well drained
1 c. (4 oz.) shredded Cheddar cheese

In large bowl, combine all ingredients except cheese. Spoon into a greased, 2-quart casserole. Bake, uncovered, at 400 degrees for 15 minutes. Top with cheese and bake 5-10 minutes longer. Serves 6-8.