What is the source for the mealtime grace that goes Before you raise your knives and forks And enjoy what comes from well-drawn corks?

The mealtime grace you mentioned is a playful and lighthearted poem often attributed to various sources but is not widely recognized as coming from a specific, classical text. It captures the spirit of gratitude before a meal, emphasizing appreciation for both food and drink. Such graces are commonly used in informal settings to add a touch of humor and warmth to mealtime gatherings.