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Potatoes Supreme

3 pounds potatoes, boiled & mashed
2 tsp. cream
1 tsp butter
2 Tbsp yogurt (well beaten)
garlic salt
paprika
2 Tbsp. chopped chives
3 egg yolks, well beaten
3 egg whites, stiffly beaten
nutmeg

Mix mashed potatoes with remaining ingredients, folding in stiffly beaten egg whites last.

Pour into buttered dish.

Sprinkle with nutmeg.

Bake at 350°F for 20 to 30 min.