Ann Campbell's Coffee Cake

Ann Campbell’s Coffee Cake
(Ann Campbell and her husband Jeff lived close to them in Key West. Husband Jeff was in the same squadron as Andy).
½ c shortening
¾ c sugar
1 t vanilla
3 eggs
2 c sifted flour
1 t baking powder
1 t baking soda
½ pint sour cream
6 T soft butter
1 c packed brown sugar
2 t cinnamon
1 c chopped nuts
Cream shortening, sugar, vanilla thoroughly. Add eggs singly, beating well after each. Sift flour with soda and baking powder. Add to dreamed mixture alternately with sour cream. Pour ½ into tube pan (greased and lined with waxed paper). Cream butter, brown sugar, cinnamon. Add nuts and mix well. Sprinkle ½ oven batter, top with remaining batter and remaining nut mixture. Bake at 350 for 50 min.