Grind cucumbers, onions, and sweet peppers until fine.
Mix salt thoroughly with vegetables.
Let set for 2 hours.
Mix salted vegetables and vinegar in a saucepan and bring to a boil.
Drain (reserving vinegar) and press until dry.
Blend butter or margarine, sugar, flour, eggs, spices, and reserved vinegar.
Stir in vegetables and simmer for 5 minutes.
Add cream and bring mixture to a boil.
Pack into hot, sterilized jars.