Old-fashioned chocolate and buttermilk cake

Ingredients

• 1/2 cup butter
• 1 1/2 cup sugar
• 2 eggs
• 2 (1-oz.) squares unsweetened chocolate, melted
• 2 cups sifted cake flour
• 1 tsp. salt
• 1 cup buttermilk
• 1 tsp. vanilla extract
• 1 tsp. baking soda
• 1 Tbsp. vinegar

Chocolate Frosting

• 1/2 cup butter, softened
• 3 cups confectioners’ sugar
• 3 (1-oz) squares unsweetened chocolate, melted
• 1 tsp. vanilla extract
• Half-and-half (if necessary)

Instructions