In large mixer bowl, mix flour, sugar, cinnamon, nutmeg, cloves and shortening at medium speed until crumbly. Stir salt, raisins and nuts into flour mixture. Add soda to buttermilk, stirring until slightly foamy. Pour into a greased 13 x 9 baking dish. Sprinkle top of batter with reserved mixture.
Coffee cake is done when toothpick inserted in center comes out clean.
Makes 15 servings. Click here for instructions on how to get the best output. This page has been optimized for a screen with at least an 800 x 600 resolution. Please open the browser window to fill the screen.