. >> to learn more, go to our website, www.cbssf.com/sra. for students rising above. fresh grocer tony tantillo has a colorful addition for your next meal. >>> time now for our lunchtime tip of the day. >> fresh grocer, tony tantillo has a colorful addition. >> this time of year you'll find heirloom tomatoes everywhere you go. it's the time. this is when they are at the peak of the season. there are so many different varieties and here's the key. they are only good when picked ripe. this means the shelf life is short. enjoy them within two or three days. with all the varieties, i love the names of these. the most important thing is the selection. make sure the colors are bright and beautiful and heavy. look at the stem. it's cool. when you bring them home put them on the counter. storage, one to three days. slice them with olive oil and a little bit of balsamic and a little bit of basil or mint. mint brings out the flavors more. heirloom tomatoes, dozens of varieties, beautiful colors. it's summertime. and i'm tony tantillo. and eat fresh and stay