Melt 2 tb butter in small saucepan; stir in brown sugar. Heat until bubbly. Stir in corn syrup and cream; heat, stirring constantly, just to boiling. Add nuts. Pour into a well greased 10" bundt pan. Set aside while preparing cake. Preheat oven to 350~. Sift flour, baking powder and salt. Mix butter and sugar until well combined. Add egg yolks, melted chocolate and vanilla; mix well. Add flour mix alternately with milk. Beat egg whites until stiff; fold into cake. Spoon over nut mixture in pan. Bake for 35-45 minutes or until tested done. Cool 15 minutes then remove from pan. Mom Anderson.