1Combine rice, milk and salt in a saucepan and cook slowly until liquid is absorbed. Stir frequently.
2Preheat oven to 350 degrees F (175 degrees C). Grease and flour one 9x13 inch baking pan.
3In large bowl, combine the butter and cream cheese. Cream well with wooden spoon.
4In another bowl combine eggs, half and half, and vanilla. Add to creamed mixture and blend well.
5Stir in the cooled rice mixture and mix well. Add the flour and blend well. Stir in the raisins.
6Pour batter into the prepared pan, pat top to avoid any air bubbles. Bake at 350 degrees F (175 degrees C) for 1 hour. Let cake stand for one hour before turning out of pan.