INGREDIENTS: Cake: 1 cup (2 sticks butter, softened to room temperature 1 3/4 cups granulated sugar 1 Tbsp fresh lemon zest 4 large eggs @ room temperature 2 tsp vanilla extract 2 1/2 cups all-purpose flour 2 tsp baking powder 1/2 tsp baking soda 1/2 tsp salt 1 cup buttermilk (store bought or 1 cup…