Classic Yellow Cake with Bittersweet Chocolate Frosting

Cake
1 Preheat oven to 350 degrees F.
2 Grease and flour two 9" round pans.
3 Sift together the flour, baking powder and baking soda.
4 Set aside.
5 In a large bowl, cream together the butter and sugar until light and fluffy.
6 Beat in the eggs one at a time and then stir in the vanilla.
7 Beat in the flour mixture alternately with the buttermilk, mixing just until incorporated.
8 Pour batter into prepared pans.
9 Bake in the preheated oven for 25-30 minutes, or until a toothpick inserted into the center of the cake comes out clean.
10 Allow to cool completely before frosting.
Frosting
1 Melt chocolate and butter in the microwave, or in the top of a double boiler.
2 Let cool.
3 In a large bowl, combine confectioners' sugar, vanilla and 1/2 cup of the cream.
4 Blend in the melted chocolate mixture.
5 Add remaining cream, a little at a time, whipping until desired consistency is achieved.
6 Let stand until spreadable .
7 Frosting will thicken as it cools.