Smith Island Cake (8 layer cake)

10 oz bittersweet chocolate, chopped
1c heavy cream
1c sugar
1/4 t salt
1t vanilla
8T butter, softened
1 yellow cake recipe

Frosting:
-chocolate in large bowl
-heat cream, sugar and salt in saucepan over medium-low heat, stirring occasionally until sugar disolves and mixture simmers.
-pour hot cream over chocolate and whisk smooth
-whisk in vanilla and butter until glossy
-cover and reridgerate until icing is firm, but spreadable, about 1 hour


Cake:
-grease and flour two 8 inch pans and line with parchment paper
-spread 1/8 (about 2/3c) batter in each pan and bake about 10-14 minutes
-knife perimeter and invert onto rack, make 8 layers

Assemble:
-spread 1/4c frosting over first layer, if too firm, warm at room temp five minutes
-repeat and frost sides