Raisin Filled Cookies

My father, Jim Hillyard, loved these cookies.
Filling
1 C ground raisins
1 T flour
1/2 C water
1/2 C sugar

Dough
1 egg
1 C sugar
1/2 C milk
1/2 C shortening
3 1/2 C flour
2 tsp baking powder
1 tsp soda
1 t vanilla
1 tsp salt
Bake 375F