Sunflower Juniper Cakes with Blackberry Frosting (v)

This cake is my version of an olive oil citrus cake with all the flavors switched around. Instead of olive oil, I’m using a strongly flavored sunflower oil from Hudson Valley Cold-Pressed Oils. A little almond flour is sometimes used in similar cakes to make a richer crumb, but here I’m using sunflower flour, which is created as a byproduct of pressing …