Decadent Fudge Cake
["1 c. butter or margarine, softened", "1 1/2 c. sugar", "4 eggs", "1/2 tsp. baking soda", "1 c. buttermilk", "2 1/2 c. all-purpose flour", "1 1/2 c. semi-sweet chocolate mini morsels, divided", "2 (4 oz.) bars sweet baking chocolate, melted and cooled", "1/3 c. chocolate syrup", "2 tsp. vanilla extract", "4 oz. white chocolate, chopped", "2 Tbsp. plus 2 tsp. shortening, divided", "chocolate and white chocolate leaves (optional)"]
["Cream butter in a large mixing bowl; gradually add sugar, beating well at medium speed of an electric mixer.", "Add eggs one at a time, beating after each addition."]
["butter", "sugar", "eggs", "baking soda", "buttermilk", "flour", "semi-sweet chocolate mini morsels", "chocolate", "chocolate syrup", "vanilla extract", "white chocolate", "shortening", "chocolate"]