Chill onions in the refrigerator to prevent tears when slicing them.
If you only need to slice half an onion, slice the top or sprout end. The root end will last longer in the fridge.
Select pea pods that are clear green and fresh looking and bulging with peas. Both stringless and string attached varieties are available. To remove strings, but off the stem end leaving the string attached and pull the string down the edge.
Marinate vegetables in left-over pickle bring rather than discarding it.