The end of the summer means big, juicy tomatoes and heirlooms are considered some of the top shelf varieties. This week on the Seattle Kitchen, Tom Douglas, Thierry Rautureau, and Katie O give you all the information you’ll need to be an heirloom expert.

Heirloom tomatoes have become some of the most sought-after types, but many people don’t know exactly what they are. (Photo: MyNorthwest.com/File)

Listen to the discussion about Seattle Kitchen’s ingredient of the week:

Find more Seattle Kitchen here and listen to Theirry Rautureau and Tom Douglas Saturdays at 2 p.m.- 4 p.m. and Sundays at 10 a.m.- noon on 97.3 KIRO FM.