Preheat oven to 350. Grease and flour two 9inch cake pans. In a large bowl, mix the flour, sugar, cocoa powder, baking soda and salt.

Beat in the shortening with an electric mixer on low speed. Beat in milk, coffee and vanilla until combined. Increase speed to high and beat for 2 minutes . Add the eggs ; beat for 2 minutes.

Pour the batter into the prepared pans; smooth with Spatula. Bake the cakes in the middle of the oven until a toothpick inserted in the center comes out clean, 30-35 minutes. Cool the cakes in the pans for 5 minutes, then turn the cakes onto wire racks to cool completely.

For the frosting, combine the cocoa powder, butter, corn syrup, vanilla and salt in large bowl. Beat on medium speed for 2 minutes. Add the warm warm warm water; mix well , Beat until the confectioners` sugar in two batches. Beat until smooth.

Place one layer top side down on large flat plate. Spread with 1 cup of frosting; sprinkle with 2/3 cup walnuts. Top with the remaining cake layer, top side up. Frost the top and sides with the remaining frosting , swirling with a small spatula. Garnish the cake with the remaining walnuts.