My Children's Favorite Cake

Sour Cream Chocolate Cake
 1 1/2 cups all purpose flour
 1 tsp baking soda
 1 tsp salt
 1 stick unsalted butter
 1 1/2 cups sugar
 1/2 tsp vanilla
 2 eggs
 3 squares unsweetened chocolate, melted and cooled
 1/2 cup sour cream'
 1 cup cold water
 Grease 2 9x1 1/2 inch pans. Stir together the dry ingredients. With a mixer, cream together the sugar, butter and vanilla. Add eggs, one at a time. Stir in cooled chocolate and sour cream. Add dry ingredients and cold water alternately to the beaten mixture, beating on low speed until well combined. Turn into pans. Bake at 350 fpr 30-35 minutes or until toothpick comes out clean. Cool and remove from pan. Frost with chocolate buttercream below.
Chocolate Buttercream Frosting
2 sticks softened butter
1/2 cup of unsweetened cocoa powder
2-3 1/2 cups powdered sugar
1/3-1/2 cup milk
1/2 tsp vanilla
Using a mixer, mix the butter and sugar together at low speed. Add
cocoa powder and vanilla, mix again at low speed. Slowly add milk a
little at a time until frosting comes together. You may not use
all of the milk. Frost cooled cake or cupcakes.