Serve this eye-catching chocolate spider cake at your Halloween party, and it will double as your table’s centerpiece! Chocolate sprinkles give this spider a “hairy” appearance, and chocolate sticks make for the creepiest-looking spider legs. Chocolate sticks and candy eyeballs can be found at kitchen specialty stores and online. If you can’t easily locate chocolate sticks, then Japanese chocolate-covered biscuit sticks will work well and can be found at most American grocery stores and…