Cold Buttermilk Soup

Directions

1. 1
   Preheat oven to 250° Spread bread on baking sheet and toast until crisp, 30-40 minutes, turning once or twice; set aside to cool.
2. 2
   While the bread is toasting and cooling, drop the raisins into a cup of boiling water, soak 5 minutes, then drain on a paper towel.
3. 3
   Grind the toasted bread in a blender or food processor, then rub crumbs through a fine sieve into a deep bowl.
4. 4
   Add the rest of the ingredients, except the buttermilk, and mix thoroughly.
5. 5
   Stirring constantly, add the buttermilk in a fine stream.
6. 6
   Taste for seasoning and refrigerate at least 30 minutes.
7. 7
   To serve, stir well to recombine and sprinkle nutmeg and cinnamon on each serving.