How to prepare Fudgy chocolate layer cake?

Ingredients:

• Butter                     : 3/4 cup.
• chocolate                : 2 oz.
• All purpose flour    : 2 1/4 cup
• Sugar                      : 2 cups
• Cocoa powder        : 1/4 cup
• Baking soda            : 2 tsp
• Salt                         : 1 tsp
• Buttermilk              : 1 3/4 cup
• Eggs                       : 2

Method:

• Preheat oven to 350 degree celsius.

• Combine flour, sugar, cocoa, baking soda and salt in a large bowl.
• Add chocolate mixture, buttermilk and eggs.
• Beat until light  and fluffy.
• Put batter into baking pan and bake for 30 minutes.
• For the frosting you require 3/4 cup cream and 1 1/2 cup chocolate. Bring cream to boil. Remove from heat and stir in chocolate. Mix till frosting starts to thicken. Spread it over the cake