Caramel Nut Pound Cake
["1 c. butter", "1/4 c. shortening", "1 (14 oz.) box brown sugar", "5 eggs", "1 c. white sugar", "1 Tbsp. vanilla", "1/2 tsp. salt", "1 tsp. baking powder", "3 c. cake flour", "1 c. milk", "1 c. finely chopped black walnuts"]
["Cream butter and shortening.", "Add brown sugar and white sugar. Add one egg at a time.", "Beat until well creamed.", "Add flour, salt, baking powder and vanilla, then add nuts.", "Blend well. Place mixture in greased and floured 10-inch tube pan and bake at 325\u00b0 for one hour.", "Test for doneness."]
["butter", "shortening", "brown sugar", "eggs", "white sugar", "vanilla", "salt", "baking powder", "cake flour", "milk", "black walnuts"]