Preheat your oven to 350 and using pam baking spray, spray 3 9inch round cake pans

Using a medium whisk together the flour, cocoa powder, baking powder, baking soda, and salt

Using a medium saucepan over medium to high heat, combine the water and sugar.

Bring to a boil and stir until the sugar is dissolved. About 1 minute

Remove from heat and whisk in the chocolate and butter until melted

Whisk in the canola oil and vanilla extract

Quicky whisk in the eggs to avoid them cooking into the chocolate mixture.

Gradually whisk in the dry ingredients until combined

Fold in the chopped walnuts

Divide the batter between the three round cake pans

Bake cakes for 30-35 minutes or until a toothpick comes out clean

Using a standing mixer, beat together all ingredients until combined and smooth

Remove the cakes from the pans

Cut the domes off the tops of the cakes

Place the first cake layer down onto a cake board

Scoop 1 C of the vanilla frosting onto the top of the cake layer and smooth evenly

Place the second cake layer on top

Scoop remaining vanilla frosting on top of the second layer and smooth evenly

Place the third cake layer on top of the frosting

Using the standing mixer again, beat the cream cheese and butter until combined and smooth

Gradually mix in the cocoa powder, vanilla and salt

Very slowly, beat in the powder sugar until combined

Whisk in the heavy whipping cream until the ice cream is smooth and fluffy