Smells and flavors, tortilla winner, pizza at the polls

Harold McGee explores how different varieties of herbs impart a range of aromas, and how heat introduces scents into raw ingredients around the world. Nik Sharma identifies the flavor equation and factors emotion into eating and taste. Gustavo Arellano recaps the finale of this year’s Tortilla Tournament and catches up with this year’s winner. Scott Duncombe explains using pizza to motivate voters in long poll lines. Omayra Dakis co-operates the only Puerto Rican food truck in LA and gives an update in this week’s installment of “In the Weeds.” Finally, winter squash is at the Santa Monica Farmer’s Market.