Cottage Cheese Pie

1 ½ c cottage cheese
½ c sugar
2 T flour
¼ t salt
2 eggs separated
2 c milk
¼ t cinnamon
½ t lemon rind grated

Combine cottage cheese, sugar, flour, salt, lemon rind and spices. Add beaten egg yolks and mix thoroughly. Add milk gradually and stir smooth. Fold in beaten egg whites and pour into 9 inch, pastry lined pan. Bake in moderate (350) oven for 1 hour.