GREEN PEA SOUP

Shell peas and throw into a dish of cold water; break the shells and put them into a kettle with boiling water; set over the fire and simmer half an hour. Remove pods, and add lettuce, spinach, salt and sugar. Let boil till the spinach and lettuce are pulpy, take up, and run through a puree sieve; boil the peas and cucumber in a little water, mash and rub through a sieve; mix with the soup, season with salt and a dash of lemon juice. Serve with croutons.