Preheat the oven to 300°F & Grease & parchment line 2-7" cake pans
Cream the soft vegan butter with the sugar on medium high speed until light & fluffy (about 3-4 minutes)
Sift the flour with the baking soda, salt & cocoa powder
Combine the vanilla extract with the plant milk
Add a few tablespoons of the plant milk to the creamed mixture then scrape the bottom & sides of the bowl for an even mix
Add 1/3 of the sifted dry ingredients, mixing just until combined then add half of the remaining liquids & then another 1/3 of the dry
Finish with the remaining liquids & then the last of the dry ingredients (this is called alternating creaming method)
Scrape the bottom & sides of the bowl then whip on high speed for 5 seconds
Divide the batter between your cake pans & spread as evenly as possible
Bake immediately in the preheated oven for 10 minutes be careful not to over bake or it will be dry
Cool completely then remove from the pans, peel off the parchment paper
Line the same cake pan (just one) with plastic wrap & place one of the ice cream cake circles in the bottom
Mash up your favorite ice cream into the cake pan then top with the other ice cream cake circle
Freeze solid then just before serving remove by pulling on the plastic wrap flaps over hanging and roll the exposed ice cream cake sides into crushed up cake crumbs or cookies
Notes
Storage Ice Cream Cake must be kept in the freezer at all times, will stay fresh wrapped well for up to 2 months