Described herein includes a puncture mechanism for a beverage appliance or machine that can be configured to puncture a pod containing a beverage medium (e.g., a flavoring agent). The puncture mechanism can be configured to induce lateral movement of one or more engagement members to securely hold a beverage pod. The puncture mechanism can be configured to induce relative axial movement between an anvil and the secured beverage pod to puncture a seal of the beverage pod.