Overview: Hosts Julia Collin Davison and Bridget Lancaster uncover the secrets to perfecting a Thai delicacy at home—Thai Grilled Cornish Hens with Chili Dipping Sauce. Then, tasting expert Jack Bishop challenges Julia to a tasting of Tahini. Next, gadget critic Lisa McManus reviews grill tongs. And finally, test cook Dan Souza makes Bridget the ultimate Grilled Pita Stuffed with Lamb.