Clam 'n' Corn Chowdah

Ingredients
Directions        
Saute chopped onion in butter. Add everything else except flour. In measuring cup, mix flour with a little bit of warm water to dissolve it. Add mixture to pot and bring just to boiling. Cover and simmer for 30 minutes. If you want a thicker base, add a little bit more flour. Serve with oyster crackers, fresh bread, and a salad.