Pear Preserves Cake
["1 c. butter, softened", "2 c. sugar", "5 eggs, separated", "1 tsp. baking soda", "1 c. buttermilk", "3 c. all-purpose flour, divided", "1 tsp. ground cinnamon", "1 tsp. ground allspice", "1 tsp. ground nutmeg", "1 c. chopped pecans", "1 c. pear preserves"]
["Cream butter in a large mixing bowl.", "Gradually add sugar, beating until light and fluffy.", "Add egg yolks and beat well."]
["butter", "sugar", "eggs", "baking soda", "buttermilk", "all-purpose flour", "ground cinnamon", "ground allspice", "ground nutmeg", "pecans", "pear preserves"]