Fennel seeds give this tomato and balsamic sauce an extra kick, but if you don't have them on hand, try using cumin or coriander seeds, or 1 teaspoon of a ground herb or spice. Serve this easy chicken breast recipe with whole-wheat spaghetti or crusty bread to sop up the sauce. Save the unused chicken tenders in an airtight container in your freezer for up to 3 months. Once you have enough, thaw them out for another use. Download a FREE Top 10 Diet Recipes Cookbook!