Wash your hands. Put on gloves. Serve chips, salsa and fruit as an appetizer. Place drink mix and cups near the water station with a spoon. Slice tomato, avocado and onion and arrange nicely onto plates with lettuce. Slice cheese and present on a plate. Open and arrange meats. Lay out bread, and condiments in a flow that makes sense. Make sure everything has a serving utensil. Serve cookies for dessert. Everyone can make their own sandwich and omit items such as meat or cheese if they have a dietary restriction.