Onion Soup

Ingredients
4 onions
3 C milk
2 T butter
1 T flour
1 egg
1 C cream

Peel and slice 4 onions. Cover with cold water and simmer until soft. Drain, saving water. Run onions through the sieve add three cups of milk to onions. Cook two T butter and 1 T flour gradually add onion water and stir until smooth. Add onions and milk, season with salt and pepper. Beat up one egg, add to it a cup of cream. Stir into hot liquid and remove from stove and serve at once.