Cream Butter And Sugar. Add Egg Yolks And Mix Well. Sift Dry Ingredients Together. Combine Sour Milk And Jam With Dry Ingredients And Blend Thoroughly. Flour Raisins Lightly And Add. Bake In 2 Buttered And Lightly Floured 8 Inch Cake Pans For 30 Minutes In 375 Degree Oven. Frost If Desired.