To prepare a vision spice cake with mocha buttercream baked goods recipe, first you need to prepare your cake batter. First, you'll need the following ingredients: 1 12 cups flour, 1 teaspoon baking powder, 2 tablespoons sugar, and 1 tablespoon vanilla extract. In another bowl, mix together the butter and sugar until it's light and fluffy. Then, add the eggs and vanilla and mix until they're fully incorporated. Add the flour mixture to the wet ingredients and stir until combined. Pour the batter into the prepared pan and bake the cake for 35 to 40 minutes or until the toothpick inserted in the center comes out clean.