Preheat oven to 350 degrees
Grease a 9-inch round cake pan with butter or floured cooking spray
Line with parchment paper; set aside
Whisk together flour, cocoa powder, baking soda, and kosher salt in a medium bowl
Whisk together the granulated sugar, egg, and melted butter in a large bowl until pale
Whisk in 1 cup of Somerset Ridge Flyboy Red and the vanilla
Add flour mixture to the liquid mixture and whisk to combine - Don't over mix
Turn batter out into prepared pan
Bake until a toothpick inserted in center comes out clean (about 28-30 minutes)
Let cake cool completely in pan