Triple-layer Chocolate Crumb Cake with Chocolate Frosting

== Description ==
Contributed by Catsrecipes Y-Group
* Makes 16 servings
== Ingredients ==
=== Cake ===
* 3⅓ cups cake flour
* 1½ tsp baking powder
* 1½ tsp baking soda
* 1 tsp salt
* 1½ cups unsalted butter
* 3⅓ cups light brown sugar
* 4 eggs
* 4 oz unsweetened chocolate, melted, cooled slightly
* 1 cup buttermilk
* 1 cup boiling water
* 1 tbsp vanilla
=== Frosting ===
* 2¾ cups milk chocolate chips
* ½ cup unsalted butter
* 1 cup sour cream
* 1½ tsp vanilla
* ¼ tsp salt
* 1 pound box confectioners' sugar
== Directions ==
=== Cake ===
# Heat oven to 375°F.
# Grease 3 round cake pans.
# Line 4 standard cupcake cups with paper liners.
# Combine first 4 ingredients in bowl.
# Beat together butter and brown sugar in bowl until combined.
# Then increase speed and beat until creamy.
# Add eggs, beat well.
# Beat in chocolate.
# Add flour mixture alternately with buttermilk to egg mixture, beat well.
# Beat in boiling water and vanilla until smooth.
# Pour 3⅔ cups batter into each cake pan.
# Divide remaining batter among cupcake cups.
# Bake 20 minutes for cupcakes and 35 minutes for cake layers or until done.
# Let cupcakes cool in pans 5 min.
# Unmold.
# Cool layers in pans 15 minutes invert. 
=== Frosting ===
# Melt chocolate chips in saucepan until smooth.
# Let cool 15 minutes.
# Beat butter and chocolate in bowl until creamy.
# Blend in sour cream, vanilla, and salt.
# Beat in confectioners sugar until smooth and spreadable.
# Tear cupcakes into pieces.
# Coarsely grind in food processor.
# Place 1 cake layer onto serving platter.
# Spread top with 1 cup frosting.
# Add second layer, spread with 1 cup frosting.
# Top with third layer, spread thin layer of frosting around sides and top of cake.
# Reserve 1 cup frosting for top.
# Frost side with remaining frosting, sprinkle with crumbs.
# Repeat until entire side is covered with crumbs.
# Frost top with reserved frosting. 
__NOTOC__
Category:Cathy's Recipes
Category:Cake Recipes
Category:Unsweetened chocolate Recipes
Category:Milk chocolate Recipes
Category:Egg Recipes
Category:Sour cream Recipes
Category:Light brown sugar Recipes
Category:Buttermilk Recipes