Whole wheat flour Thouroughly wash and purge the earthworms before using them. To purge, boil the worms three times and then bake them in the oven at 180ºC or 15 minutes. Coat the worms with flour and brown them in butter. Add salt to taste. Add bouillon and simmer for thirty minutes, stirring occasionally. Saute onions and mushrooms seperately in butter. Add both to the earthworms. Stir in sour cream. Serve over rice or chow mein noodles.