OATMEAL RAISIN COOKIES

1 cup flour
1/2 tsp baking powder
1/2 tsp baking soda
1/4 tsp salt
1/4 cup shortening
1/4 cup butter
1/2 cup white sugar
1/3 cup brown sugar
1 egg
2 tbsp milk
1/2 tsp vanilla
1 cup quick-cooking oats
1/4 cup chopped walnuts (optional)


Stir together the flour, baking powder, baking soda and salt. 
In mixing bowl, beat shortening and butter for 30 seconds; 
add sugars and beat till fluffy. Add egg, milk and vanilla; beat well.  
Add dry ingredients to beaten mixture, beating till well combined.  
Stir in oats and walnuts.  Chill dough 2 hours; form 1-inch balls.  
Dip tops of balls in additional sugar, if desired.  
Place on ungreased cookie sheet.  
Bake in 375degree oven for 10-12 minutes.