Spinach-Tomato Soup
Put 1 tablespoon of butter into the frying pan, and when melted add 1 onion chopped fine, and let cook slowly for ten minutes. Put 1 cup of cold prepared spinach into the butter and onion and 1 cup of tomato sauce or tomatoes, and let heat through. Put 2 cups of milk in a double boiler with 1 tablespoon of flour and 1 of butter rubbed together. Add a pinch of soda to the tomato-spinach mixture, press it through a sieve, and stir the purée into the milk when it boils. Season with salt and pepper and add 1 tablespoon of cream.