Grandma's best cake

2       cups    sifted all-purpose flour
 2       tsp.    soda
 2       tsp     cinnamon
 1/2     tsp     salt
 3               eggs (beaten)
 3/4     cup     oil
 3/4     cup     buttermilk
 2       cups    sugar
 2       tsp     vanilla
 1       cup     crushed pineapple (well drained)
 2       cups    grated carrots
 3 1/2   oz.     coconut
 1       cup     chopped walnuts
 
 Sift together dry ingredients (flour, soda, cinnamon & salt).  Cream
 well beaten eggs, oil, buttermilk and sugar.  Mix in vanilla and add
 to dry ingredients.  Fold in pineapple, carrots, coconut and nuts.
 Pour ingrediends into a well greased and floured 13x9x2 1/2 pan and
 bake at 350 degrees for 55 minutes.
 
 About 10 minutes before cake is removed from oven make the buttermilk
frosting.