Lemon Cheese Coffee Cake

This is from Grandma:

Dough
2-1/2 cups unsifted flour
1 package fast rising yeast
1/2 cup sugar
1/2 tsp salt
1/2 cup water
3 T butter or margarine, softened
1 large egg

Mix 1 cup flour, yeast, sugar, and salt.

In small pan over low heat heat water and butter til warm.

At low speed add water mixture and egg to flour mixture - Beat at medium speed add last of flour - place dough in a greased bowl. Cover with towel - let rise till it doubles about 30 min.

Filling
1 pack lite cream cheese
1 lg egg yolk
1/2 cup sugar
2 T flour
2 tsp grated lemon peel
1/2 tsp vanilla extract
1/2 cup seedless raisins

Assemble
Dough
Filling
1 lg egg white
sugar

Roll out dough, fill, fold sides and make horse shoe; slit ends. Cover with towel let rise until about double 30 mins? Brush on egg whites - sprinkle with sugar. Bake about 25 min at 325 degrees or until brown.