Mexican Chocolate Cake

Ingredients

• 2 stick Unsalted butter
• 1/2 cup Unsweetened cocoa dutch Process
• 3/4 cup Water
• 2 cup Sugar
• 2 ea Egg
• 1/2 cup Buttermilk
• 2 teaspoon Vanilla
• 2 cup All purpose flour
• 1 teaspoon Baking soda
• 1/2 teaspoon Cinnamon
• 1/4 teaspoon Salt
• 2 cup Pecan pieces
• 1/2 stick Unsalted butter
• 1/2 cup Half-and-half cream
• 1/2 cup Powdered sugar
• 5 ounces Bittersweet chocolate finely chopped