best-ever chocolate cake

Ingredients For best-ever chocolate cake

• 2 c

  all purpose flour
• 2 c

  granulated sugar
• 1/2 c

  unsweetened coca powder
• 1 1/2 tsp

  baking soda
• 1/4 tsp

  salt
• 1/2 c

  vegetable shortening
• 1 c

  milk
• 1/2 c

  cold black coffee
• 1 tsp

  vanilla extract
• 2 lg

  eggs
• FROSTING
• 1 c

  unsweetened cocoa powder
• 1/2 c

  softened butter
• 1/2 c

  light corn syrup
• 1/2 tsp

  vanilla extract
• 1/4 tsp

  salt
• 1/4 c

  warm water
• 4 c

  confectioners' sugar
• 1 c

  chopped walnuts, divided