In a small bowl, pour 1 cup of water over raisins; let stand for 5 minutes.
Drain; set raisins aside.
In a large saucepan, bring butter, sugar, salt and remaining water to a boil.
Add flour all at once; stir until a smooth ball forms.
Remove from the heat; beat by hand for 2 minutes.
Add eggs, one at a time, beating well after each addition.
Beat until mixture is well blended, about 3 minutes.
Stir in the raisins.
Drop by tablespoonfuls 2 in. apart onto greased baking sheets.
Bake at 375° for 30-35 minutes or until golden brown.
Transfer to a wire rack.
For icing, melt the butter in a small saucepan; stir in cream.
Remove from the heat; add sugar, lemon juice and vanilla.
Spread on buns while still warm.