Washington Post Food and Travel Editor Joe Yonan whips up some macaroni and cheese in an NPR mug. Maggie Starbard/NPR hide caption

itoggle caption Maggie Starbard/NPR

Presilla's Ecuadorian Spicy Onion and Tamarillo Salsa, made right in David Greene's kitchen. Selena Simmons-Duffin/NPR hide caption

itoggle caption Selena Simmons-Duffin/NPR

Does bell pepper and black tea sound appetizing? A computer may think so. Ryan Smith/NPR hide caption

itoggle caption Ryan Smith/NPR

All out of nutmeg? The same algorithms that predicts your friends on Facebook can also figure out ingredient substitutions for your pumpkin pie this Thanksgiving. Courtesy of Lada Adamic. hide caption

itoggle caption Courtesy of Lada Adamic.

Classic tuna noodle casserole is an often maligned yet much beloved hot dish. iStockphoto.com hide caption

itoggle caption iStockphoto.com

The reporter's mother, Nawal Elbager, of Khartoum, Sudan, shows off her falafel. Rashad Baba/Courtesy Nawal Elbager hide caption

itoggle caption Rashad Baba/Courtesy Nawal Elbager

Boiling lemon rinds for President Harding's lemon pineapple fruit punch, called a squall. Taji Marie/NPR hide caption

itoggle caption Taji Marie/NPR

Leah Lizarondo. with her hands covered in plastic bags, gathers stinging nettles. Larkin Page-Jacobs for NPR hide caption

itoggle caption Larkin Page-Jacobs for NPR

Variations On Chocolate Cake: Google's new Recipe View is designed to help cooks sift through recipes on the web. Here, the results for a search for Molten Chocolate Cake. NPR hide caption

itoggle caption NPR