chocolate filled boston cream pie

Ingredients For chocolate filled boston cream pie

• 2 c

  all purpose flour
• 1 1/2 c

  sugar
• 3 1/2 tsp

  baking powder
• 1 tsp

  salt
• 1/4 c

  butter, softened
• 1/4 c

  shortening
• 1 c

  milk
• 3

  eggs
• 1 tsp

  vanilla
• chocolate cream filling (below)
• chocolate glaze (below)
• FOR CHOCOLATE CREAM FILLING
• 2/3 c

  sugar
• 2 Tbsp

  cornstarch
• 1/8 tsp

  salt
• 1 1/2 c

  milk
• 2

  egg yolks, slightly beaten
• 1 oz

  unsweetened baking chocolate, broken into pieces
• 2 tsp

  vanilla
• FOR CHOCOLATE GLAZE
• 1/4 c

  sugar
• 1 Tbsp

  cornstarch
• dash salt
• 1/3 c

  water
• 1 oz

  unsweetened baking chocolate
• 1 Tbsp

  butter
• 1/2 tsp

  vanilla