This is the ultimate showstopper Vegan Gingerbread House Cake that is perfect for the holidays! Oil-free, gluten-free vegan gingerbread house cookies and layered with a delicious vanilla buttercream frosting and the best vegan royal icing! VEGAN GINGERBREAD HOUSE CAKE I love ginger, love love it! So, I created the ultimate holiday cake, a vegan gingerbread…