To prepare a white chocolate raspberry cheesecake santacafe cake recipe, first you need to prepare your cake batter. First, you'll need your butter, sugar, eggs, vanilla, and buttermilk. Then, add your dry ingredients to the wet ingredients and mix until everything is combined. Next, pour your batter into your greased and floured cake pan. Bake the cake for 35 to 40 minutes, or until the toothpick inserted in the center comes out clean.